8660650 has 48 divisors (see below), whose sum is σ = 17838144. Its totient is φ = 3111680.

The previous prime is 8660623. The next prime is 8660653. The reversal of 8660650 is 560668.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8660653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19329 + ... + 19771.

It is an arithmetic number, because the mean of its divisors is an integer number (371628).

Almost surely, 2^8660650 is an apocalyptic number.

8660650 is an abundant number, since it is smaller than the sum of its proper divisors (9177494).

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

8660650 is a wasteful number, since it uses less digits than its factorization.

8660650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 8660650 is about 2942.8982313359. The cubic root of 8660650 is about 205.3604604019.

The spelling of 8660650 in words is "eight million, six hundred sixty thousand, six hundred fifty".