8997560 has 96 divisors (see below), whose sum is σ = 24112080. Its totient is φ = 3020160.

The previous prime is 8997553. The next prime is 8997587. The reversal of 8997560 is 657998.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a d-powerful number, because it can be written as 8⁷ + 9 + 9⁷ + 7⁶ + 5⁹ + 6⁶ + 0 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 692114 + ... + 692126.

Almost surely, 2^8997560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8997560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12056040).

8997560 is an abundant number, since it is smaller than the sum of its proper divisors (15114520).

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

8997560 is a wasteful number, since it uses less digits than its factorization.

8997560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 8997560 is about 2999.5933057666. The cubic root of 8997560 is about 207.9895828116.

The spelling of 8997560 in words is "eight million, nine hundred ninety-seven thousand, five hundred sixty".