3990792 has 32 divisors (see below), whose sum is σ = 10745280. Its totient is φ = 1227840.

The previous prime is 3990773. The next prime is 3990827. The reversal of 3990792 is 2970993.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 3990792.

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, 6084 + ... + 6707.

It is an arithmetic number, because the mean of its divisors is an integer number (335790).

Almost surely, 2^3990792 is an apocalyptic number.

It is an amenable number.

3990792 is an abundant number, since it is smaller than the sum of its proper divisors (6754488).

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

3990792 is a wasteful number, since it uses less digits than its factorization.

3990792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12813 (or 12809 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 3990792 is about 1997.6966736720. The cubic root of 3990792 is about 158.6182050368.

The spelling of 3990792 in words is "three million, nine hundred ninety thousand, seven hundred ninety-two".