328870464 has 56 divisors (see below), whose sum is σ = 937077120. Its totient is φ = 101190144.

The previous prime is 328870447. The next prime is 328870483. The reversal of 328870464 is 464078823.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63384 + ... + 68375.

It is an arithmetic number, because the mean of its divisors is an integer number (16733520).

Almost surely, 2^328870464 is an apocalyptic number.

It is an amenable number.

328870464 is an abundant number, since it is smaller than the sum of its proper divisors (608206656).

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

328870464 is a wasteful number, since it uses less digits than its factorization.

328870464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131787 (or 131777 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 328870464 is about 18134.7860202430. The cubic root of 328870464 is about 690.2529801204.

The spelling of 328870464 in words is "three hundred twenty-eight million, eight hundred seventy thousand, four hundred sixty-four".