8649372 has 24 divisors (see below), whose sum is σ = 20833792. Its totient is φ = 2790000.

The previous prime is 8649371. The next prime is 8649383. The reversal of 8649372 is 2739468.

It is a self number, because there is not a number n which added to its sum of digits gives 8649372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11254 + ... + 11997.

Almost surely, 2^8649372 is an apocalyptic number.

It is an amenable number.

8649372 is an abundant number, since it is smaller than the sum of its proper divisors (12184420).

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

8649372 is a wasteful number, since it uses less digits than its factorization.

8649372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23289 (or 23287 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 8649372 is about 2940.9814688298. The cubic root of 8649372 is about 205.2712807471.

The spelling of 8649372 in words is "eight million, six hundred forty-nine thousand, three hundred seventy-two".