320403368 has 32 divisors (see below), whose sum is σ = 627328800. Its totient is φ = 153220032.

The previous prime is 320403367. The next prime is 320403379. The reversal of 320403368 is 863304023.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 320403368.

It is not an unprimeable number, because it can be changed into a prime (320403367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18371 + ... + 31277.

It is an arithmetic number, because the mean of its divisors is an integer number (19604025).

Almost surely, 2^320403368 is an apocalyptic number.

It is an amenable number.

320403368 is a deficient number, since it is larger than the sum of its proper divisors (306925432).

320403368 is a wasteful number, since it uses less digits than its factorization.

320403368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13049 (or 13045 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 320403368 is about 17899.8147476447. The cubic root of 320403368 is about 684.2776536561.

The spelling of 320403368 in words is "three hundred twenty million, four hundred three thousand, three hundred sixty-eight".