3967904 has 12 divisors (see below), whose sum is σ = 7811874. Its totient is φ = 1983936.

The previous prime is 3967877. The next prime is 3967913. The reversal of 3967904 is 4097693.

It can be written as a sum of positive squares in only one way, i.e., 3763600 + 204304 = 1940^2 + 452^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61967 + ... + 62030.

Almost surely, 2^3967904 is an apocalyptic number.

It is an amenable number.

3967904 is a deficient number, since it is larger than the sum of its proper divisors (3843970).

3967904 is a wasteful number, since it uses less digits than its factorization.

3967904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124007 (or 123999 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3967904 is about 1991.9598389526. The cubic root of 3967904 is about 158.3143876377.

The spelling of 3967904 in words is "three million, nine hundred sixty-seven thousand, nine hundred four".