321364432 has 10 divisors (see below), whose sum is σ = 622643618. Its totient is φ = 160682208.

The previous prime is 321364403. The next prime is 321364489. The reversal of 321364432 is 234463123.

It can be written as a sum of positive squares in only one way, i.e., 301508496 + 19855936 = 17364^2 + 4456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 321364432.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10042623 + ... + 10042654.

Almost surely, 2^321364432 is an apocalyptic number.

It is an amenable number.

321364432 is a deficient number, since it is larger than the sum of its proper divisors (301279186).

321364432 is a wasteful number, since it uses less digits than its factorization.

321364432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20085285 (or 20085279 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 321364432 is about 17926.6402875720. The cubic root of 321364432 is about 684.9611443675.

The spelling of 321364432 in words is "three hundred twenty-one million, three hundred sixty-four thousand, four hundred thirty-two".