9985589 has 8 divisors (see below), whose sum is σ = 10282272. Its totient is φ = 9691920.

The previous prime is 9985559. The next prime is 9985601. The reversal of 9985589 is 9855899.

9985589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9985589 - 2⁸ = 9985333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9985589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9985559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7142 + ... + 8424.

It is an arithmetic number, because the mean of its divisors is an integer number (1285284).

Almost surely, 2^9985589 is an apocalyptic number.

It is an amenable number.

9985589 is a deficient number, since it is larger than the sum of its proper divisors (296683).

9985589 is a wasteful number, since it uses less digits than its factorization.

9985589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507.

The product of its digits is 1166400, while the sum is 53.

The square root of 9985589 is about 3159.9982594932. The cubic root of 9985589 is about 215.3399273882.

The spelling of 9985589 in words is "nine million, nine hundred eighty-five thousand, five hundred eighty-nine".