This should be four million, eight hundred and fifty-nine thousand, two hundred and sixty-seven.
Surprised that you should ask though.
Four million, eight hundred and fifty nine thousand, two hundred and sixty seven.
four million eight hunndred fifty nine thousand two hundred sixty seven.
Writing 4,859,267 in words (English) will be as follows:
Four Million, Eight hundred and Fifty Nine thousand, Two hundred and Sixty Seven
I hope it helps!