320847852 has 36 divisors (see below), whose sum is σ = 810668040. Its totient is φ = 98721792.

The previous prime is 320847833. The next prime is 320847853. The reversal of 320847852 is 258748023.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 320847852.

It is not an unprimeable number, because it can be changed into a prime (320847853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77077 + ... + 81132.

Almost surely, 2^320847852 is an apocalyptic number.

It is an amenable number.

320847852 is an abundant number, since it is smaller than the sum of its proper divisors (489820188).

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

320847852 is a wasteful number, since it uses less digits than its factorization.

320847852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158242 (or 158227 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 320847852 is about 17912.2263272883. The cubic root of 320847852 is about 684.5939319910.

The spelling of 320847852 in words is "three hundred twenty million, eight hundred forty-seven thousand, eight hundred fifty-two".