320604232 has 64 divisors (see below), whose sum is σ = 672537600. Its totient is φ = 142283520.

The previous prime is 320604217. The next prime is 320604239. The reversal of 320604232 is 232406023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (320604239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892869 + ... + 893227.

It is an arithmetic number, because the mean of its divisors is an integer number (10508400).

Almost surely, 2^320604232 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 320604232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336268800).

320604232 is an abundant number, since it is smaller than the sum of its proper divisors (351933368).

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

320604232 is a wasteful number, since it uses less digits than its factorization.

320604232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 320604232 is about 17905.4246528810. The cubic root of 320604232 is about 684.4206172327.

The spelling of 320604232 in words is "three hundred twenty million, six hundred four thousand, two hundred thirty-two".