3975172 has 6 divisors (see below), whose sum is σ = 6956558. Its totient is φ = 1987584.

The previous prime is 3975163. The next prime is 3975173. The reversal of 3975172 is 2715793.

It can be written as a sum of positive squares in only one way, i.e., 3944196 + 30976 = 1986^2 + 176^2 .

It is not an unprimeable number, because it can be changed into a prime (3975173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496893 + ... + 496900.

Almost surely, 2^3975172 is an apocalyptic number.

It is an amenable number.

3975172 is a deficient number, since it is larger than the sum of its proper divisors (2981386).

3975172 is a wasteful number, since it uses less digits than its factorization.

3975172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993797 (or 993795 counting only the distinct ones).

The product of its digits is 13230, while the sum is 34.

The square root of 3975172 is about 1993.7833382793. The cubic root of 3975172 is about 158.4109900377.

The spelling of 3975172 in words is "three million, nine hundred seventy-five thousand, one hundred seventy-two".