3990764016 has 30 divisors (see below), whose sum is σ = 11168596920. Its totient is φ = 1330254624.

The previous prime is 3990763981. The next prime is 3990764023. The reversal of 3990764016 is 6104670993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13856676 + ... + 13856963.

It is an arithmetic number, because the mean of its divisors is an integer number (372286564).

Almost surely, 2^3990764016 is an apocalyptic number.

3990764016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3990764016 is an abundant number, since it is smaller than the sum of its proper divisors (7177832904).

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

3990764016 is a wasteful number, since it uses less digits than its factorization.

3990764016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27713653 (or 27713644 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 3990764016 is about 63172.4941410421. The cubic root of 3990764016 is about 1586.1783428481.

The spelling of 3990764016 in words is "three billion, nine hundred ninety million, seven hundred sixty-four thousand, sixteen".