635252928 has 28 divisors (see below), whose sum is σ = 1680773880. Its totient is φ = 211750912.

The previous prime is 635252911. The next prime is 635252953. The reversal of 635252928 is 829252536.

It is a self number, because there is not a number n which added to its sum of digits gives 635252928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654113 + ... + 1654496.

Almost surely, 2^635252928 is an apocalyptic number.

It is an amenable number.

635252928 is an abundant number, since it is smaller than the sum of its proper divisors (1045520952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

635252928 is a wasteful number, since it uses less digits than its factorization.

635252928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308624 (or 3308614 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 635252928 is about 25204.2244078250. The cubic root of 635252928 is about 859.6379077797.

The spelling of 635252928 in words is "six hundred thirty-five million, two hundred fifty-two thousand, nine hundred twenty-eight".