3902992 has 20 divisors (see below), whose sum is σ = 7655760. Its totient is φ = 1927328.

The previous prime is 3902929. The next prime is 3903001. The reversal of 3902992 is 2992093.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142 + ... + 2797.

It is an arithmetic number, because the mean of its divisors is an integer number (382788).

Almost surely, 2^3902992 is an apocalyptic number.

It is an amenable number.

3902992 is a deficient number, since it is larger than the sum of its proper divisors (3752768).

3902992 is a wasteful number, since it uses less digits than its factorization.

3902992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030 (or 3024 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 3902992 is about 1975.5991496252. The cubic root of 3902992 is about 157.4463342820.

The spelling of 3902992 in words is "three million, nine hundred two thousand, nine hundred ninety-two".