10589985 has 24 divisors (see below), whose sum is σ = 20978880. Its totient is φ = 4840992.

The previous prime is 10589981. The next prime is 10589989. The reversal of 10589985 is 58998501.

It is an interprime number because it is at equal distance from previous prime (10589981) and next prime (10589989).

It is not a de Polignac number, because 10589985 - 2² = 10589981 is a prime.

It is a super-2 number, since 2×10589985² = 224295564600450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10589985.

It is not an unprimeable number, because it can be changed into a prime (10589981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16495 + ... + 17124.

It is an arithmetic number, because the mean of its divisors is an integer number (874120).

Almost surely, 2^10589985 is an apocalyptic number.

10589985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10589985 is a deficient number, since it is larger than the sum of its proper divisors (10388895).

10589985 is a wasteful number, since it uses less digits than its factorization.

10589985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33637 (or 33634 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 10589985 is about 3254.2257143597. The cubic root of 10589985 is about 219.5997198081.

The spelling of 10589985 in words is "ten million, five hundred eighty-nine thousand, nine hundred eighty-five".