Four hundred eighty-five dollars.
Five million, one hundred thousand dollars
Six hundred and thirty eight thousand US dollars.
Sixteen million six hundred thousand US dollars.
Forty-six thousand, seven hundred dollars US
One thousand twenty dollars
Two million two hundred thousand dollars.
One hundred thousand US dollars.
One thousand one hundred then thousandths of a US dollar.
It is three and a half million US dollars.
Four hundred eighty-five dollars.
Five million, one hundred thousand dollars
Six hundred and thirty eight thousand US dollars.
Sixteen million six hundred thousand US dollars.
Forty-six thousand, seven hundred dollars US
Three thousand, nine hundred and seventy dollars and eight cents
One lakh dollars. Although you may also wish to specify the country: US dollars or Hong Kong dollars or whatever.