320047896 has 64 divisors (see below), whose sum is σ = 915840000. Its totient is φ = 91300608.

The previous prime is 320047879. The next prime is 320047909. The reversal of 320047896 is 698740023.

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, 159105 + ... + 161103.

It is an arithmetic number, because the mean of its divisors is an integer number (14310000).

Almost surely, 2^320047896 is an apocalyptic number.

It is an amenable number.

320047896 is an abundant number, since it is smaller than the sum of its proper divisors (595792104).

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

320047896 is a wasteful number, since it uses less digits than its factorization.

320047896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2968 (or 2964 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 320047896 is about 17889.8825038064. The cubic root of 320047896 is about 684.0245023882.

The spelling of 320047896 in words is "three hundred twenty million, forty-seven thousand, eight hundred ninety-six".