320790812 has 12 divisors (see below), whose sum is σ = 561732360. Its totient is φ = 160295856.

The previous prime is 320790809. The next prime is 320790823. The reversal of 320790812 is 218097023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17387 + ... + 30722.

It is an arithmetic number, because the mean of its divisors is an integer number (46811030).

Almost surely, 2^320790812 is an apocalyptic number.

It is an amenable number.

320790812 is a deficient number, since it is larger than the sum of its proper divisors (240941548).

320790812 is a wasteful number, since it uses less digits than its factorization.

320790812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49780 (or 49778 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 320790812 is about 17910.6340479616. The cubic root of 320790812 is about 684.5533607858.

The spelling of 320790812 in words is "three hundred twenty million, seven hundred ninety thousand, eight hundred twelve".