3922172 has 12 divisors (see below), whose sum is σ = 7267680. Its totient is φ = 1845696.

The previous prime is 3922169. The next prime is 3922187. The reversal of 3922172 is 2712293.

It is a congruent number.

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, 28772 + ... + 28907.

It is an arithmetic number, because the mean of its divisors is an integer number (605640).

Almost surely, 2^3922172 is an apocalyptic number.

It is an amenable number.

3922172 is a deficient number, since it is larger than the sum of its proper divisors (3345508).

3922172 is a wasteful number, since it uses less digits than its factorization.

3922172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57700 (or 57698 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 3922172 is about 1980.4474241948. The cubic root of 3922172 is about 157.7038194375.

It can be divided in two parts, 39221 and 72, that added together give a palindrome (39293).

The spelling of 3922172 in words is "three million, nine hundred twenty-two thousand, one hundred seventy-two".