8650656 has 108 divisors (see below), whose sum is σ = 28663362. Its totient is φ = 2467584.

The previous prime is 8650651. The next prime is 8650657. The reversal of 8650656 is 6560568.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 7056 = 2940^2 + 84^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8650656.

It is not an unprimeable number, because it can be changed into a prime (8650651) 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 17 ways as a sum of consecutive naturals, for example, 13806 + ... + 14418.

Almost surely, 2^8650656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8650656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14331681).

8650656 is an abundant number, since it is smaller than the sum of its proper divisors (20012706).

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

8650656 is a wasteful number, since it uses less digits than its factorization.

8650656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 8650656 is about 2941.1997552019. The cubic root of 8650656 is about 205.2814377575.

The spelling of 8650656 in words is "eight million, six hundred fifty thousand, six hundred fifty-six".