3979031928 has 16 divisors (see below), whose sum is σ = 9947579880. Its totient is φ = 1326343968.

The previous prime is 3979031879. The next prime is 3979031941. The reversal of 3979031928 is 8291309793.

It is a happy number.

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, 82896475 + ... + 82896522.

Almost surely, 2^3979031928 is an apocalyptic number.

It is an amenable number.

3979031928 is an abundant number, since it is smaller than the sum of its proper divisors (5968547952).

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

3979031928 is a wasteful number, since it uses less digits than its factorization.

3979031928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165793006 (or 165793002 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 3979031928 is about 63079.5682293403. The cubic root of 3979031928 is about 1584.6224628637.

The spelling of 3979031928 in words is "three billion, nine hundred seventy-nine million, thirty-one thousand, nine hundred twenty-eight".