8306972 has 24 divisors (see below), whose sum is σ = 14902272. Its totient is φ = 4050800.

The previous prime is 8306957. The next prime is 8307001. The reversal of 8306972 is 2796038.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43397 + ... + 43587.

It is an arithmetic number, because the mean of its divisors is an integer number (620928).

Almost surely, 2^8306972 is an apocalyptic number.

It is an amenable number.

8306972 is a deficient number, since it is larger than the sum of its proper divisors (6595300).

8306972 is a wasteful number, since it uses less digits than its factorization.

8306972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 8306972 is about 2882.1818124470. The cubic root of 8306972 is about 202.5260607622.

Subtracting from 8306972 its product of nonzero digits (18144), we obtain a palindrome (8288828).

The spelling of 8306972 in words is "eight million, three hundred six thousand, nine hundred seventy-two".