How do you write 400,000 in words?
400,000 = four hundred thousand
How to write $400,000 on a check
The most common reason to write 400,000 as four hundred thousand would be if you're writing a check for $400,000. Just below the "pay to the order of" line, you would write the dollar amount in words. In this case, you might write "four hundred thousand and 00/100 dollars."