321460664 has 32 divisors (see below), whose sum is σ = 705650400. Its totient is φ = 134407680.

The previous prime is 321460663. The next prime is 321460681. The reversal of 321460664 is 466064123.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 321460664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321460663) by changing a digit.

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, 67709 + ... + 72300.

It is an arithmetic number, because the mean of its divisors is an integer number (22051575).

Almost surely, 2^321460664 is an apocalyptic number.

It is an amenable number.

321460664 is an abundant number, since it is smaller than the sum of its proper divisors (384189736).

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

321460664 is a wasteful number, since it uses less digits than its factorization.

321460664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140063 (or 140059 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 321460664 is about 17929.3241367320. The cubic root of 321460664 is about 685.0295076709.

The spelling of 321460664 in words is "three hundred twenty-one million, four hundred sixty thousand, six hundred sixty-four".