320456316 has 24 divisors (see below), whose sum is σ = 748140624. Its totient is φ = 106760320.

The previous prime is 320456233. The next prime is 320456321. The reversal of 320456316 is 613654023.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 19456 + ... + 31928.

It is an arithmetic number, because the mean of its divisors is an integer number (31172526).

Almost surely, 2^320456316 is an apocalyptic number.

It is an amenable number.

320456316 is an abundant number, since it is smaller than the sum of its proper divisors (427684308).

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

320456316 is a wasteful number, since it uses less digits than its factorization.

320456316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14621 (or 14619 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 320456316 is about 17901.2936962668. The cubic root of 320456316 is about 684.3153448304.

The spelling of 320456316 in words is "three hundred twenty million, four hundred fifty-six thousand, three hundred sixteen".