3939976 has 16 divisors (see below), whose sum is σ = 7626240. Its totient is φ = 1906320.

The previous prime is 3939959. The next prime is 3939989. The reversal of 3939976 is 6799393.

It is a congruent number.

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, 7696 + ... + 8191.

It is an arithmetic number, because the mean of its divisors is an integer number (476640).

Almost surely, 2^3939976 is an apocalyptic number.

It is an amenable number.

3939976 is a deficient number, since it is larger than the sum of its proper divisors (3686264).

3939976 is a wasteful number, since it uses less digits than its factorization.

3939976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15924 (or 15920 counting only the distinct ones).

The product of its digits is 275562, while the sum is 46.

The square root of 3939976 is about 1984.9372786061. The cubic root of 3939976 is about 157.9420820671.

The spelling of 3939976 in words is "three million, nine hundred thirty-nine thousand, nine hundred seventy-six".