390625100 has 36 divisors (see below), whose sum is σ = 884516304. Its totient is φ = 149455680.

The previous prime is 390625093. The next prime is 390625121. The reversal of 390625100 is 1526093.

It is a self number, because there is not a number n which added to its sum of digits gives 390625100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82619 + ... + 87218.

Almost surely, 2^390625100 is an apocalyptic number.

It is an amenable number.

390625100 is an abundant number, since it is smaller than the sum of its proper divisors (493891204).

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

390625100 is a wasteful number, since it uses less digits than its factorization.

390625100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169874 (or 169867 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 390625100 is about 19764.2379058743. The cubic root of 390625100 is about 731.0044969323.

The spelling of 390625100 in words is "three hundred ninety million, six hundred twenty-five thousand, one hundred".