328238904 has 32 divisors (see below), whose sum is σ = 937825920. Its totient is φ = 93782496.

The previous prime is 328238891. The next prime is 328238921. The reversal of 328238904 is 409832823.

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, 976734 + ... + 977069.

It is an arithmetic number, because the mean of its divisors is an integer number (29307060).

Almost surely, 2^328238904 is an apocalyptic number.

It is an amenable number.

328238904 is an abundant number, since it is smaller than the sum of its proper divisors (609587016).

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

328238904 is a wasteful number, since it uses less digits than its factorization.

328238904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953819 (or 1953815 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 328238904 is about 18117.3647090298. The cubic root of 328238904 is about 689.8108450206.

The spelling of 328238904 in words is "three hundred twenty-eight million, two hundred thirty-eight thousand, nine hundred four".