9004985 has 16 divisors (see below), whose sum is σ = 12483072. Its totient is φ = 6163200.

The previous prime is 9004969. The next prime is 9004991. The reversal of 9004985 is 5894009.

It is not a de Polignac number, because 9004985 - 2⁴ = 9004969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3881 + ... + 5750.

It is an arithmetic number, because the mean of its divisors is an integer number (780192).

Almost surely, 2^9004985 is an apocalyptic number.

It is an amenable number.

9004985 is a deficient number, since it is larger than the sum of its proper divisors (3478087).

9004985 is a wasteful number, since it uses less digits than its factorization.

9004985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9664.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 9004985 is about 3000.8307183178. The cubic root of 9004985 is about 208.0467797273.

It can be divided in two parts, 900 and 4985, that added together give a palindrome (5885).

The spelling of 9004985 in words is "nine million, four thousand, nine hundred eighty-five".