326879728 has 20 divisors (see below), whose sum is σ = 723805360. Its totient is φ = 140091264.

The previous prime is 326879687. The next prime is 326879731. The reversal of 326879728 is 827978623.

326879728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459173 + ... + 1459396.

It is an arithmetic number, because the mean of its divisors is an integer number (36190268).

Almost surely, 2^326879728 is an apocalyptic number.

It is an amenable number.

326879728 is an abundant number, since it is smaller than the sum of its proper divisors (396925632).

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

326879728 is a wasteful number, since it uses less digits than its factorization.

326879728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918584 (or 2918578 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 326879728 is about 18079.8154857841. The cubic root of 326879728 is about 688.8574018368.

The spelling of 326879728 in words is "three hundred twenty-six million, eight hundred seventy-nine thousand, seven hundred twenty-eight".