326556328 has 16 divisors (see below), whose sum is σ = 699763680. Its totient is φ = 139952688.

The previous prime is 326556313. The next prime is 326556337. The reversal of 326556328 is 823655623.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2915626 + ... + 2915737.

It is an arithmetic number, because the mean of its divisors is an integer number (43735230).

Almost surely, 2^326556328 is an apocalyptic number.

It is an amenable number.

326556328 is an abundant number, since it is smaller than the sum of its proper divisors (373207352).

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

326556328 is a wasteful number, since it uses less digits than its factorization.

326556328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5831376 (or 5831372 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 326556328 is about 18070.8695972275. The cubic root of 326556328 is about 688.6301521040.

It can be divided in two parts, 32655 and 6328, that added together give a palindrome (38983).

The spelling of 326556328 in words is "three hundred twenty-six million, five hundred fifty-six thousand, three hundred twenty-eight".