326385320 has 32 divisors (see below), whose sum is σ = 735004800. Its totient is φ = 130440768.

The previous prime is 326385317. The next prime is 326385337. The reversal of 326385320 is 23583623.

It is a super-2 number, since 2×326385320² = 213054754223004800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55061 + ... + 60699.

It is an arithmetic number, because the mean of its divisors is an integer number (22968900).

Almost surely, 2^326385320 is an apocalyptic number.

It is an amenable number.

326385320 is an abundant number, since it is smaller than the sum of its proper divisors (408619480).

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

326385320 is a wasteful number, since it uses less digits than its factorization.

326385320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7097 (or 7093 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 326385320 is about 18066.1373846210. The cubic root of 326385320 is about 688.5099259572.

The spelling of 326385320 in words is "three hundred twenty-six million, three hundred eighty-five thousand, three hundred twenty".