8397972 has 48 divisors (see below), whose sum is σ = 23755200. Its totient is φ = 2544480.

The previous prime is 8397971. The next prime is 8398003. The reversal of 8397972 is 2797938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8397971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347 + ... + 4722.

It is an arithmetic number, because the mean of its divisors is an integer number (494900).

Almost surely, 2^8397972 is an apocalyptic number.

It is an amenable number.

8397972 is an abundant number, since it is smaller than the sum of its proper divisors (15357228).

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

8397972 is a wasteful number, since it uses less digits than its factorization.

8397972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093 (or 7085 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 8397972 is about 2897.9254648800. The cubic root of 8397972 is about 203.2629109049.

The spelling of 8397972 in words is "eight million, three hundred ninety-seven thousand, nine hundred seventy-two".