320763316 has 48 divisors (see below), whose sum is σ = 600747840. Its totient is φ = 149587200.

The previous prime is 320763283. The next prime is 320763329. The reversal of 320763316 is 613367023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533416 + ... + 534016.

It is an arithmetic number, because the mean of its divisors is an integer number (12515580).

Almost surely, 2^320763316 is an apocalyptic number.

It is an amenable number.

320763316 is a deficient number, since it is larger than the sum of its proper divisors (279984524).

320763316 is a wasteful number, since it uses less digits than its factorization.

320763316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 320763316 is about 17909.8664428298. The cubic root of 320763316 is about 684.5338018123.

The spelling of 320763316 in words is "three hundred twenty million, seven hundred sixty-three thousand, three hundred sixteen".