328975912 has 8 divisors (see below), whose sum is σ = 616829850. Its totient is φ = 164487952.

The previous prime is 328975909. The next prime is 328975931. The reversal of 328975912 is 219579823.

It can be written as a sum of positive squares in only one way, i.e., 328841956 + 133956 = 18134^2 + 366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20560987 + ... + 20561002.

Almost surely, 2^328975912 is an apocalyptic number.

It is an amenable number.

328975912 is a deficient number, since it is larger than the sum of its proper divisors (287853938).

328975912 is a wasteful number, since it uses less digits than its factorization.

328975912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41121995 (or 41121991 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 328975912 is about 18137.6931278484. The cubic root of 328975912 is about 690.3267457580.

It can be divided in two parts, 32897 and 5912, that added together give a square (38809 = 197²).

The spelling of 328975912 in words is "three hundred twenty-eight million, nine hundred seventy-five thousand, nine hundred twelve".