328640952 has 32 divisors (see below), whose sum is σ = 822733200. Its totient is φ = 109396224.

The previous prime is 328640941. The next prime is 328640981. The reversal of 328640952 is 259046823.

It is a happy number.

328640952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 328640952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9124 + ... + 27212.

Almost surely, 2^328640952 is an apocalyptic number.

It is an amenable number.

328640952 is an abundant number, since it is smaller than the sum of its proper divisors (494092248).

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

328640952 is a wasteful number, since it uses less digits than its factorization.

328640952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18855 (or 18851 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 328640952 is about 18128.4569668794. The cubic root of 328640952 is about 690.0923715864.

The spelling of 328640952 in words is "three hundred twenty-eight million, six hundred forty thousand, nine hundred fifty-two".