8397156 has 24 divisors (see below), whose sum is σ = 20226304. Its totient is φ = 2708640.

The previous prime is 8397149. The next prime is 8397157. The reversal of 8397156 is 6517938.

It is not an unprimeable number, because it can be changed into a prime (8397157) 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, 10915 + ... + 11658.

Almost surely, 2^8397156 is an apocalyptic number.

It is an amenable number.

8397156 is an abundant number, since it is smaller than the sum of its proper divisors (11829148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8397156 is a wasteful number, since it uses less digits than its factorization.

8397156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22611 (or 22609 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 8397156 is about 2897.7846710893. The cubic root of 8397156 is about 203.2563272556.

The spelling of 8397156 in words is "eight million, three hundred ninety-seven thousand, one hundred fifty-six".