3992513706 has 32 divisors (see below), whose sum is σ = 8931816000. Its totient is φ = 1321903440.

The previous prime is 3992513669. The next prime is 3992513711. The reversal of 3992513706 is 6073152993.

3992513706 is a `hidden beast` number, since 399 + 251 + 3 + 7 + 0 + 6 = 666.

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, 240060 + ... + 256151.

It is an arithmetic number, because the mean of its divisors is an integer number (279119250).

Almost surely, 2^3992513706 is an apocalyptic number.

3992513706 is an abundant number, since it is smaller than the sum of its proper divisors (4939302294).

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

3992513706 is a wasteful number, since it uses less digits than its factorization.

3992513706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496371 (or 496365 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 3992513706 is about 63186.3411347737. The cubic root of 3992513706 is about 1586.4101209298.

The spelling of 3992513706 in words is "three billion, nine hundred ninety-two million, five hundred thirteen thousand, seven hundred six".