8256972 has 24 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 2739856.

The previous prime is 8256961. The next prime is 8256973. The reversal of 8256972 is 2796528.

It is a happy number.

8256972 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 8256972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8256973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429 + ... + 4307.

It is an arithmetic number, because the mean of its divisors is an integer number (806400).

Almost surely, 2^8256972 is an apocalyptic number.

It is an amenable number.

8256972 is an abundant number, since it is smaller than the sum of its proper divisors (11096628).

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

8256972 is a wasteful number, since it uses less digits than its factorization.

8256972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3123 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 8256972 is about 2873.4947363794. The cubic root of 8256972 is about 202.1189052578.

The spelling of 8256972 in words is "eight million, two hundred fifty-six thousand, nine hundred seventy-two".