634579498 has 40 divisors (see below), whose sum is σ = 1122103008. Its totient is φ = 269112312.

The previous prime is 634579493. The next prime is 634579507. The reversal of 634579498 is 894975436.

634579498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×634579498² = 805382278563864008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (634579493) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 493965 + ... + 495247.

Almost surely, 2^634579498 is an apocalyptic number.

634579498 is a deficient number, since it is larger than the sum of its proper divisors (487523510).

634579498 is a wasteful number, since it uses less digits than its factorization.

634579498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1395 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The square root of 634579498 is about 25190.8613985310. The cubic root of 634579498 is about 859.3340337285.

The spelling of 634579498 in words is "six hundred thirty-four million, five hundred seventy-nine thousand, four hundred ninety-eight".