322704432 has 80 divisors (see below), whose sum is σ = 931368960. Its totient is φ = 106977600.

The previous prime is 322704427. The next prime is 322704461. The reversal of 322704432 is 234407223.

322704432 is a `hidden beast` number, since 3 + 227 + 0 + 4 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 322704396 and 322704405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80557 + ... + 84467.

It is an arithmetic number, because the mean of its divisors is an integer number (11642112).

Almost surely, 2^322704432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322704432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465684480).

322704432 is an abundant number, since it is smaller than the sum of its proper divisors (608664528).

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

322704432 is a wasteful number, since it uses less digits than its factorization.

322704432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119 (or 4107 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 322704432 is about 17963.9759518877. The cubic root of 322704432 is about 685.9118564625.

The spelling of 322704432 in words is "three hundred twenty-two million, seven hundred four thousand, four hundred thirty-two".