3928086680 has 64 divisors (see below), whose sum is σ = 10110070080. Its totient is φ = 1345536000.

The previous prime is 3928086649. The next prime is 3928086707. The reversal of 3928086680 is 866808293.

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, 330440 + ... + 342120.

It is an arithmetic number, because the mean of its divisors is an integer number (157969845).

Almost surely, 2^3928086680 is an apocalyptic number.

It is an amenable number.

3928086680 is an abundant number, since it is smaller than the sum of its proper divisors (6181983400).

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

3928086680 is a wasteful number, since it uses less digits than its factorization.

3928086680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900 (or 12896 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 3928086680 is about 62674.4499776424. The cubic root of 3928086680 is about 1577.8305267398.

The spelling of 3928086680 in words is "three billion, nine hundred twenty-eight million, eighty-six thousand, six hundred eighty".