8656224 has 48 divisors (see below), whose sum is σ = 23346288. Its totient is φ = 2806272.

The previous prime is 8656189. The next prime is 8656231. The reversal of 8656224 is 4226568.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2334 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (486381).

Almost surely, 2^8656224 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 8656224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11673144).

8656224 is an abundant number, since it is smaller than the sum of its proper divisors (14690064).

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

8656224 is a wasteful number, since it uses less digits than its factorization.

8656224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2479 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 8656224 is about 2942.1461554450. The cubic root of 8656224 is about 205.3254714855.

The spelling of 8656224 in words is "eight million, six hundred fifty-six thousand, two hundred twenty-four".