8662172 has 6 divisors (see below), whose sum is σ = 15158808. Its totient is φ = 4331084.

The previous prime is 8662169. The next prime is 8662177. The reversal of 8662172 is 2712668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8662177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082768 + ... + 1082775.

It is an arithmetic number, because the mean of its divisors is an integer number (2526468).

Almost surely, 2^8662172 is an apocalyptic number.

It is an amenable number.

8662172 is a deficient number, since it is larger than the sum of its proper divisors (6496636).

8662172 is a wasteful number, since it uses less digits than its factorization.

8662172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165547 (or 2165545 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 8662172 is about 2943.1568085985. The cubic root of 8662172 is about 205.3724895342.

The spelling of 8662172 in words is "eight million, six hundred sixty-two thousand, one hundred seventy-two".