328313672 has 8 divisors (see below), whose sum is σ = 615588150. Its totient is φ = 164156832.

The previous prime is 328313627. The next prime is 328313743. The reversal of 328313672 is 276313823.

It can be written as a sum of positive squares in only one way, i.e., 235499716 + 92813956 = 15346^2 + 9634^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20519597 + ... + 20519612.

Almost surely, 2^328313672 is an apocalyptic number.

It is an amenable number.

328313672 is a deficient number, since it is larger than the sum of its proper divisors (287274478).

328313672 is a wasteful number, since it uses less digits than its factorization.

328313672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41039215 (or 41039211 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 328313672 is about 18119.4280262927. The cubic root of 328313672 is about 689.8632173030.

The spelling of 328313672 in words is "three hundred twenty-eight million, three hundred thirteen thousand, six hundred seventy-two".