3215696928 has 48 divisors (see below), whose sum is σ = 8446538016. Its totient is φ = 1071221760.

The previous prime is 3215696927. The next prime is 3215696947. The reversal of 3215696928 is 8296965123.

3215696928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (3215696927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155688 + ... + 175128.

It is an arithmetic number, because the mean of its divisors is an integer number (175969542).

Almost surely, 2^3215696928 is an apocalyptic number.

It is an amenable number.

3215696928 is an abundant number, since it is smaller than the sum of its proper divisors (5230841088).

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

3215696928 is a wasteful number, since it uses less digits than its factorization.

3215696928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21177 (or 21169 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The square root of 3215696928 is about 56707.1153207426. The cubic root of 3215696928 is about 1476.0181694431.

The spelling of 3215696928 in words is "three billion, two hundred fifteen million, six hundred ninety-six thousand, nine hundred twenty-eight".