320895056 has 20 divisors (see below), whose sum is σ = 624409812. Its totient is φ = 159757056.

The previous prime is 320895053. The next prime is 320895061. The reversal of 320895056 is 650598023.

It can be written as a sum of positive squares in 2 ways, for example, as 86192656 + 234702400 = 9284^2 + 15320^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320895053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39311 + ... + 46766.

Almost surely, 2^320895056 is an apocalyptic number.

It is an amenable number.

320895056 is a deficient number, since it is larger than the sum of its proper divisors (303514756).

320895056 is a wasteful number, since it uses less digits than its factorization.

320895056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86318 (or 86312 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 320895056 is about 17913.5439263145. The cubic root of 320895056 is about 684.6275034457.

The spelling of 320895056 in words is "three hundred twenty million, eight hundred ninety-five thousand, fifty-six".