320894916 has 24 divisors (see below), whose sum is σ = 749140224. Its totient is φ = 106909920.

The previous prime is 320894887. The next prime is 320894957. The reversal of 320894916 is 619498023.

It is a super-2 number, since 2×320894916² = 205947094229294112, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22381 + ... + 33803.

It is an arithmetic number, because the mean of its divisors is an integer number (31214176).

Almost surely, 2^320894916 is an apocalyptic number.

It is an amenable number.

320894916 is an abundant number, since it is smaller than the sum of its proper divisors (428245308).

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

320894916 is a wasteful number, since it uses less digits than its factorization.

320894916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771 (or 13769 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 320894916 is about 17913.5400186563. The cubic root of 320894916 is about 684.6274038826.

The spelling of 320894916 in words is "three hundred twenty million, eight hundred ninety-four thousand, nine hundred sixteen".