3964172 has 6 divisors (see below), whose sum is σ = 6937308. Its totient is φ = 1982084.

The previous prime is 3964157. The next prime is 3964183. The reversal of 3964172 is 2714693.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495518 + ... + 495525.

It is an arithmetic number, because the mean of its divisors is an integer number (1156218).

Almost surely, 2^3964172 is an apocalyptic number.

It is an amenable number.

3964172 is a deficient number, since it is larger than the sum of its proper divisors (2973136).

3964172 is a wasteful number, since it uses less digits than its factorization.

3964172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991047 (or 991045 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 3964172 is about 1991.0228527066. The cubic root of 3964172 is about 158.2647380304.

The spelling of 3964172 in words is "three million, nine hundred sixty-four thousand, one hundred seventy-two".