4392172 has 12 divisors (see below), whose sum is σ = 8020656. Its totient is φ = 2100560.

The previous prime is 4392169. The next prime is 4392181. The reversal of 4392172 is 2712934.

It is a nialpdrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 4392172.

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, 23779 + ... + 23962.

It is an arithmetic number, because the mean of its divisors is an integer number (668388).

Almost surely, 2^4392172 is an apocalyptic number.

It is an amenable number.

4392172 is a deficient number, since it is larger than the sum of its proper divisors (3628484).

4392172 is a wasteful number, since it uses less digits than its factorization.

4392172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47768 (or 47766 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 4392172 is about 2095.7509394010. The cubic root of 4392172 is about 163.7670199662.

The spelling of 4392172 in words is "four million, three hundred ninety-two thousand, one hundred seventy-two".