328809056 has 24 divisors (see below), whose sum is σ = 647992800. Its totient is φ = 164239488.

The previous prime is 328809049. The next prime is 328809067. The reversal of 328809056 is 650908823.

It is a super-2 number, since 2×328809056² = 216230790615222272, which contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 31145 + ... + 40343.

It is an arithmetic number, because the mean of its divisors is an integer number (26999700).

Almost surely, 2^328809056 is an apocalyptic number.

It is an amenable number.

328809056 is a deficient number, since it is larger than the sum of its proper divisors (319183744).

328809056 is a wasteful number, since it uses less digits than its factorization.

328809056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10326 (or 10318 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 328809056 is about 18133.0928415425. The cubic root of 328809056 is about 690.2100151863.

It can be divided in two parts, 32 and 8809056, that added together give a palindrome (8809088).

The spelling of 328809056 in words is "three hundred twenty-eight million, eight hundred nine thousand, fifty-six".