8579985 has 16 divisors (see below), whose sum is σ = 14535936. Its totient is φ = 4306688.

The previous prime is 8579981. The next prime is 8579999. The reversal of 8579985 is 5899758.

8579985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8579985 - 2² = 8579981 is a prime.

It is a super-2 number, since 2×8579985² = 147232285200450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (8579981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16569 + ... + 17078.

It is an arithmetic number, because the mean of its divisors is an integer number (908496).

Almost surely, 2^8579985 is an apocalyptic number.

8579985 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8579985 is a deficient number, since it is larger than the sum of its proper divisors (5955951).

8579985 is a wasteful number, since it uses less digits than its factorization.

8579985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33672.

The product of its digits is 907200, while the sum is 51.

The square root of 8579985 is about 2929.1611427165. The cubic root of 8579985 is about 204.7208971980.

The spelling of 8579985 in words is "eight million, five hundred seventy-nine thousand, nine hundred eighty-five".