328745964 has 12 divisors (see below), whose sum is σ = 767073944. Its totient is φ = 109581984.

The previous prime is 328745951. The next prime is 328745987. The reversal of 328745964 is 469547823.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13697737 + ... + 13697760.

Almost surely, 2^328745964 is an apocalyptic number.

It is an amenable number.

328745964 is an abundant number, since it is smaller than the sum of its proper divisors (438327980).

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

328745964 is a wasteful number, since it uses less digits than its factorization.

328745964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27395504 (or 27395502 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 328745964 is about 18131.3530658911. The cubic root of 328745964 is about 690.1658664470.

The spelling of 328745964 in words is "three hundred twenty-eight million, seven hundred forty-five thousand, nine hundred sixty-four".