328604188 has 48 divisors (see below), whose sum is σ = 640120320. Its totient is φ = 146350400.

The previous prime is 328604179. The next prime is 328604189. The reversal of 328604188 is 881406823.

It is a super-2 number, since 2×328604188² = 215961424742278688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328604188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328604189) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 915153 + ... + 915511.

It is an arithmetic number, because the mean of its divisors is an integer number (13335840).

Almost surely, 2^328604188 is an apocalyptic number.

It is an amenable number.

328604188 is a deficient number, since it is larger than the sum of its proper divisors (311516132).

328604188 is a wasteful number, since it uses less digits than its factorization.

328604188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 328604188 is about 18127.4429526064. The cubic root of 328604188 is about 690.0666378266.

The spelling of 328604188 in words is "three hundred twenty-eight million, six hundred four thousand, one hundred eighty-eight".