8966560 has 24 divisors (see below), whose sum is σ = 21183876. Its totient is φ = 3586560.

The previous prime is 8966501. The next prime is 8966561. The reversal of 8966560 is 656698.

It can be written as a sum of positive squares in 2 ways, for example, as 8928144 + 38416 = 2988^2 + 196^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (8966561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27861 + ... + 28180.

Almost surely, 2^8966560 is an apocalyptic number.

8966560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8966560 is an abundant number, since it is smaller than the sum of its proper divisors (12217316).

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

8966560 is a wasteful number, since it uses less digits than its factorization.

8966560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56056 (or 56048 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 8966560 is about 2994.4214800191. The cubic root of 8966560 is about 207.7504403415.

The spelling of 8966560 in words is "eight million, nine hundred sixty-six thousand, five hundred sixty".