985584 has 20 divisors (see below), whose sum is σ = 2546216. Its totient is φ = 328512.

The previous prime is 985571. The next prime is 985597. The reversal of 985584 is 485589.

985584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (985571) and next prime (985597).

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 985584.

It is an unprimeable number.

985584 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 3 ways as a sum of consecutive naturals, for example, 10219 + ... + 10314.

2⁹⁸⁵⁵⁸⁴ is an apocalyptic number.

It is an amenable number.

985584 is an abundant number, since it is smaller than the sum of its proper divisors (1560632).

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

985584 is a wasteful number, since it uses less digits than its factorization.

985584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20544 (or 20538 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 985584 is about 992.7658334169. The cubic root of 985584 is about 99.5171388707.

The spelling of 985584 in words is "nine hundred eighty-five thousand, five hundred eighty-four".