3920839612 has 24 divisors (see below), whose sum is σ = 6932621696. Its totient is φ = 1940115888.

The previous prime is 3920839609. The next prime is 3920839667. The reversal of 3920839612 is 2169380293.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103623 + ... + 1107169.

Almost surely, 2^3920839612 is an apocalyptic number.

It is an amenable number.

3920839612 is a deficient number, since it is larger than the sum of its proper divisors (3011782084).

3920839612 is a wasteful number, since it uses less digits than its factorization.

3920839612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6337 (or 6335 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 3920839612 is about 62616.6081163776. The cubic root of 3920839612 is about 1576.8595973509.

The spelling of 3920839612 in words is "three billion, nine hundred twenty million, eight hundred thirty-nine thousand, six hundred twelve".