323568216 has 32 divisors (see below), whose sum is σ = 898801200. Its totient is φ = 107856000.

The previous prime is 323568199. The next prime is 323568221. The reversal of 323568216 is 612865323.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748785 + ... + 749216.

Almost surely, 2^323568216 is an apocalyptic number.

323568216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

323568216 is an abundant number, since it is smaller than the sum of its proper divisors (575232984).

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

323568216 is a wasteful number, since it uses less digits than its factorization.

323568216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498016 (or 1498006 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 323568216 is about 17988.0020013341. The cubic root of 323568216 is about 686.5233053946.

The spelling of 323568216 in words is "three hundred twenty-three million, five hundred sixty-eight thousand, two hundred sixteen".