2,000 : deux mille - can be shown as 2 000 or 2.000
2,500 : deux mille cinq cent - can be shown as 2 500 or 2.500
10,498 : dix mille quatre cent quatre-vingt-dix-huit - can be shown as 10 498 or 10.498
1,000,000 : un million - can be shown as 1 000 000 or 1.000.000
1,000+ are also similar to English, but there are a few things to note
The separator is a period or space, rather than a comma
Mille does not finish with the letter S
When pronouncing a long number, one generally pauses after mille before pronouncing the rest of the figures. The word euro finishes with the letter S when used as a plural, but must be written in lower case.