3958172 has 12 divisors (see below), whose sum is σ = 6942936. Its totient is φ = 1974480.

The previous prime is 3958169. The next prime is 3958177. The reversal of 3958172 is 2718593.

It is a super-3 number, since 3×3958172³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1418 + ... + 3150.

It is an arithmetic number, because the mean of its divisors is an integer number (578578).

Almost surely, 2^3958172 is an apocalyptic number.

It is an amenable number.

3958172 is a deficient number, since it is larger than the sum of its proper divisors (2984764).

3958172 is a wasteful number, since it uses less digits than its factorization.

3958172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2306 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 3958172 is about 1989.5155189141. The cubic root of 3958172 is about 158.1848501483.

The spelling of 3958172 in words is "three million, nine hundred fifty-eight thousand, one hundred seventy-two".