Their offer was a bit low. However, it's not quite as insulting as you may think.
Many bootstrapped SaaS businesses are valued at 3-6x profit (aka "discretionary earnings") [1].
At 3x, your business would be worth $720K, which makes 6% $43,200
At 6x, your business would be worth $1,440,000 which makes 6% equal to $86,400
[1] https://baremetrics.com/academy/how-to-value-a-saas-business
Imagine what the stock price of a company who boasted such dividends would be.
Definitely depends on how much you're making, how fast you're growing, who the buyer is, and why they're buying.
Sure, if some random person/business is buying you to just consume your existing profits, that's about the worst-case scenario you can find.
Is that geocode.xyz?
Entrepreneurship is a mentality. Even if you fail the first one with the accelerator, you grow your horizons and will eventually succeed with the next startup.