320944372 has 12 divisors (see below), whose sum is σ = 641888800. Its totient is φ = 137547576.

The previous prime is 320944339. The next prime is 320944387. The reversal of 320944372 is 273449023.

It is a happy number.

320944372 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5731122 + ... + 5731177.

Almost surely, 2^320944372 is an apocalyptic number.

It is an amenable number.

320944372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320944372 is a wasteful number, since it uses less digits than its factorization.

320944372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462310 (or 11462308 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 320944372 is about 17914.9203738113. The cubic root of 320944372 is about 684.6625734370.

The spelling of 320944372 in words is "three hundred twenty million, nine hundred forty-four thousand, three hundred seventy-two".