328773788 has 12 divisors (see below), whose sum is σ = 657547632. Its totient is φ = 140903040.

The previous prime is 328773773. The next prime is 328773791. The reversal of 328773788 is 887377823.

328773788 is an admirable number.

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, 5870933 + ... + 5870988.

It is an arithmetic number, because the mean of its divisors is an integer number (54795636).

Almost surely, 2^328773788 is an apocalyptic number.

It is an amenable number.

328773788 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

328773788 is a wasteful number, since it uses less digits than its factorization.

328773788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11741932 (or 11741930 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 53.

The square root of 328773788 is about 18132.1203393315. The cubic root of 328773788 is about 690.1853370367.

The spelling of 328773788 in words is "three hundred twenty-eight million, seven hundred seventy-three thousand, seven hundred eighty-eight".