8861560 has 16 divisors (see below), whose sum is σ = 19938600. Its totient is φ = 3544608.

The previous prime is 8861557. The next prime is 8861561. The reversal of 8861560 is 651688.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8861561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110730 + ... + 110809.

Almost surely, 2^8861560 is an apocalyptic number.

It is an amenable number.

8861560 is an abundant number, since it is smaller than the sum of its proper divisors (11077040).

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

8861560 is a wasteful number, since it uses less digits than its factorization.

8861560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221550 (or 221546 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8861560 is about 2976.8372478186. The cubic root of 8861560 is about 206.9363227631.

The spelling of 8861560 in words is "eight million, eight hundred sixty-one thousand, five hundred sixty".