321482664 has 24 divisors (see below), whose sum is σ = 870682410. Its totient is φ = 107160864.

The previous prime is 321482657. The next prime is 321482669. The reversal of 321482664 is 466284123.

It can be written as a sum of positive squares in only one way, i.e., 312228900 + 9253764 = 17670^2 + 3042^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×321482664² = 206702206505073792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (321482669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2232447 + ... + 2232590.

Almost surely, 2^321482664 is an apocalyptic number.

It is an amenable number.

321482664 is an abundant number, since it is smaller than the sum of its proper divisors (549199746).

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

321482664 is a wasteful number, since it uses less digits than its factorization.

321482664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465049 (or 4465042 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 321482664 is about 17929.9376462943. The cubic root of 321482664 is about 685.0451345755.

The spelling of 321482664 in words is "three hundred twenty-one million, four hundred eighty-two thousand, six hundred sixty-four".