8660224 has 18 divisors (see below), whose sum is σ = 17287130. Its totient is φ = 4329984.

The previous prime is 8660221. The next prime is 8660227. The reversal of 8660224 is 4220668.

It is an interprime number because it is at equal distance from previous prime (8660221) and next prime (8660227).

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 640000 = 2832^2 + 800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8660192 and 8660201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8660221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16659 + ... + 17170.

Almost surely, 2^8660224 is an apocalyptic number.

It is an amenable number.

8660224 is a deficient number, since it is larger than the sum of its proper divisors (8626906).

8660224 is an equidigital number, since it uses as much as digits as its factorization.

8660224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33845 (or 33831 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 8660224 is about 2942.8258528156. The cubic root of 8660224 is about 205.3570932570.

The spelling of 8660224 in words is "eight million, six hundred sixty thousand, two hundred twenty-four".