304,000,000
three hundred and four
3,049,270,086 would be written as Three billion forty-nine million two hundred seventy thousand eighty six.
You would write it like this. CCCIV
3289.4736
million
304/100
CCCIV
2.6316
304 million
2 416 304 rounded to the nearest million is 2 000 000 (2 million).
$304