3908972 has 6 divisors (see below), whose sum is σ = 6840708. Its totient is φ = 1954484.

The previous prime is 3908921. The next prime is 3909019. The reversal of 3908972 is 2798093.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488618 + ... + 488625.

It is an arithmetic number, because the mean of its divisors is an integer number (1140118).

Almost surely, 2^3908972 is an apocalyptic number.

It is an amenable number.

3908972 is a deficient number, since it is larger than the sum of its proper divisors (2931736).

3908972 is a wasteful number, since it uses less digits than its factorization.

3908972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977247 (or 977245 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3908972 is about 1977.1120352676. The cubic root of 3908972 is about 157.5267041308.

The spelling of 3908972 in words is "three million, nine hundred eight thousand, nine hundred seventy-two".