3117172 has 12 divisors (see below), whose sum is σ = 5477220. Its totient is φ = 1552256.

The previous prime is 3117151. The next prime is 3117187. The reversal of 3117172 is 2717113.

3117172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 274576 + 2842596 = 524^2 + 1686^2 .

It is a super-2 number, since 2×3117172² = 19433522555168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373 + ... + 2524.

It is an arithmetic number, because the mean of its divisors is an integer number (456435).

Almost surely, 2^3117172 is an apocalyptic number.

It is an amenable number.

3117172 is a deficient number, since it is larger than the sum of its proper divisors (2360048).

3117172 is a wasteful number, since it uses less digits than its factorization.

3117172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170 (or 3168 counting only the distinct ones).

The product of its digits is 294, while the sum is 22.

The square root of 3117172 is about 1765.5514719203. The cubic root of 3117172 is about 146.0787090457.

The spelling of 3117172 in words is "three million, one hundred seventeen thousand, one hundred seventy-two".