328773156 has 24 divisors (see below), whose sum is σ = 769423200. Its totient is φ = 109264512.

The previous prime is 328773143. The next prime is 328773173. The reversal of 328773156 is 651377823.

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 7 ways as a sum of consecutive naturals, for example, 36606 + ... + 44693.

It is an arithmetic number, because the mean of its divisors is an integer number (32059300).

Almost surely, 2^328773156 is an apocalyptic number.

It is an amenable number.

328773156 is an abundant number, since it is smaller than the sum of its proper divisors (440650044).

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

328773156 is a wasteful number, since it uses less digits than its factorization.

328773156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81643 (or 81641 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 328773156 is about 18132.1029116868. The cubic root of 328773156 is about 690.1848947900.

The spelling of 328773156 in words is "three hundred twenty-eight million, seven hundred seventy-three thousand, one hundred fifty-six".