985560 has 64 divisors (see below), whose sum is σ = 3041280. Its totient is φ = 255360.

The previous prime is 985547. The next prime is 985571. The reversal of 985560 is 65589.

985560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985560.

It is an unprimeable number.

985560 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5065 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2⁹⁸⁵⁵⁶⁰ 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 985560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520640).

985560 is an abundant number, since it is smaller than the sum of its proper divisors (2055720).

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

985560 is a wasteful number, since it uses less digits than its factorization.

985560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 985560 is about 992.7537459008. The cubic root of 985560 is about 99.5163310820.

The spelling of 985560 in words is "nine hundred eighty-five thousand, five hundred sixty".