3967172 has 12 divisors (see below), whose sum is σ = 7573776. Its totient is φ = 1803240.

The previous prime is 3967157. The next prime is 3967189. The reversal of 3967172 is 2717693.

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, 45038 + ... + 45125.

It is an arithmetic number, because the mean of its divisors is an integer number (631148).

Almost surely, 2^3967172 is an apocalyptic number.

It is an amenable number.

3967172 is a deficient number, since it is larger than the sum of its proper divisors (3606604).

3967172 is a wasteful number, since it uses less digits than its factorization.

3967172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90178 (or 90176 counting only the distinct ones).

The product of its digits is 15876, while the sum is 35.

The square root of 3967172 is about 1991.7760918336. The cubic root of 3967172 is about 158.3046517453.

The spelling of 3967172 in words is "three million, nine hundred sixty-seven thousand, one hundred seventy-two".