987560 has 32 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 338496.

The previous prime is 987559. The next prime is 987587. The reversal of 987560 is 65789.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 987560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2⁹⁸⁷⁵⁶⁰ is an apocalyptic number.

It is an amenable number.

987560 is an abundant number, since it is smaller than the sum of its proper divisors (1552600).

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

987560 is a wasteful number, since it uses less digits than its factorization.

987560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 3541 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 987560 is about 993.7605345354. The cubic root of 987560 is about 99.5836018659.

The spelling of 987560 in words is "nine hundred eighty-seven thousand, five hundred sixty".