8791560 has 48 divisors (see below), whose sum is σ = 28573740. Its totient is φ = 2344320.

The previous prime is 8791537. The next prime is 8791561. The reversal of 8791560 is 651978.

8791560 is a `hidden beast` number, since 8 + 7 + 91 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7064964 + 1726596 = 2658^2 + 1314^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8791561) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11851 + ... + 12570.

Almost surely, 2^8791560 is an apocalyptic number.

It is an amenable number.

8791560 is an abundant number, since it is smaller than the sum of its proper divisors (19782180).

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

8791560 is a wasteful number, since it uses less digits than its factorization.

8791560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24438 (or 24431 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 8791560 is about 2965.0564918733. The cubic root of 8791560 is about 206.3899986140.

The spelling of 8791560 in words is "eight million, seven hundred ninety-one thousand, five hundred sixty".