3,000,684 is what you write according to the question. In Indian classification of numbers it is, 30,00,684(30 lakhs and six hundred and eighty four).
2,760,325 is two million seven hundred and sixty thousand three hundred and twenty five in numbers
300,000,000
one hundred million and one, one hundred million and two,one hundred million and three,one hundred million and four,one hundred million and five,one hundred million and six,one hundred million and seven..............
one million three hundred thirty thousand1,330,000
Three billion one hundred twelve million.