8866560 has 72 divisors (see below), whose sum is σ = 28329840. Its totient is φ = 2363392.

The previous prime is 8866513. The next prime is 8866567. The reversal of 8866560 is 656688.

It is not an unprimeable number, because it can be changed into a prime (8866567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2686 + ... + 4994.

It is an arithmetic number, because the mean of its divisors is an integer number (393470).

Almost surely, 2^8866560 is an apocalyptic number.

8866560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8866560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14164920).

8866560 is an abundant number, since it is smaller than the sum of its proper divisors (19463280).

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

8866560 is a wasteful number, since it uses less digits than its factorization.

8866560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333 (or 2319 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 8866560 is about 2977.6769468833. The cubic root of 8866560 is about 206.9752356661.

The spelling of 8866560 in words is "eight million, eight hundred sixty-six thousand, five hundred sixty".