321764960 has 48 divisors (see below), whose sum is σ = 829280592. Its totient is φ = 117004800.

The previous prime is 321764957. The next prime is 321764977. The reversal of 321764960 is 69467123.

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, 89651 + ... + 93170.

It is an arithmetic number, because the mean of its divisors is an integer number (17276679).

Almost surely, 2^321764960 is an apocalyptic number.

It is an amenable number.

321764960 is an abundant number, since it is smaller than the sum of its proper divisors (507515632).

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

321764960 is a wasteful number, since it uses less digits than its factorization.

321764960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182847 (or 182839 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 321764960 is about 17937.8081158206. The cubic root of 321764960 is about 685.2455900964.

The spelling of 321764960 in words is "three hundred twenty-one million, seven hundred sixty-four thousand, nine hundred sixty".