How do I say the following numbers in spanish words?

Question

275,000
827
3,900,000
530,000

Answer 1

1. doscientos setenta y cinco mil
2. ochocientos veintisiete
3. tres millones novecientos mil
4. quinientos treinta mil

Sra

Answer 2

3.930.000

Answer 3

25.350 and 3.930.000 and 56.460 and 530.000 in spanish