3931796928 has 28 divisors (see below), whose sum is σ = 10402879880. Its totient is φ = 1310598912.

The previous prime is 3931796909. The next prime is 3931796963. The reversal of 3931796928 is 8296971393.

3931796928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10238863 + ... + 10239246.

Almost surely, 2^3931796928 is an apocalyptic number.

It is an amenable number.

3931796928 is an abundant number, since it is smaller than the sum of its proper divisors (6471082952).

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

3931796928 is a wasteful number, since it uses less digits than its factorization.

3931796928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478124 (or 20478114 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 3931796928 is about 62704.0423577300. The cubic root of 3931796928 is about 1578.3271468363.

The spelling of 3931796928 in words is "three billion, nine hundred thirty-one million, seven hundred ninety-six thousand, nine hundred twenty-eight".