8165972 has 24 divisors (see below), whose sum is σ = 15170400. Its totient is φ = 3835296.

The previous prime is 8165957. The next prime is 8165977. The reversal of 8165972 is 2795618.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8165977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10178 + ... + 10950.

It is an arithmetic number, because the mean of its divisors is an integer number (632100).

Almost surely, 2^8165972 is an apocalyptic number.

It is an amenable number.

8165972 is a deficient number, since it is larger than the sum of its proper divisors (7004428).

8165972 is a wasteful number, since it uses less digits than its factorization.

8165972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 933 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 8165972 is about 2857.6164893141. The cubic root of 8165972 is about 201.3736439126.

The spelling of 8165972 in words is "eight million, one hundred sixty-five thousand, nine hundred seventy-two".