3904172 has 12 divisors (see below), whose sum is σ = 6856080. Its totient is φ = 1945296.

The previous prime is 3904141. The next prime is 3904189. The reversal of 3904172 is 2714093.

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, 272 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (571340).

Almost surely, 2^3904172 is an apocalyptic number.

It is an amenable number.

3904172 is a deficient number, since it is larger than the sum of its proper divisors (2951908).

3904172 is a wasteful number, since it uses less digits than its factorization.

3904172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400 (or 3398 counting only the distinct ones).

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

The square root of 3904172 is about 1975.8977706349. The cubic root of 3904172 is about 157.4621997133.

The spelling of 3904172 in words is "three million, nine hundred four thousand, one hundred seventy-two".