9000085 has 4 divisors (see below), whose sum is σ = 10800108. Its totient is φ = 7200064.

The previous prime is 9000067. The next prime is 9000119. The reversal of 9000085 is 5800009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3017169 + 5982916 = 1737^2 + 2446^2 .

It is a cyclic number.

It is not a de Polignac number, because 9000085 - 2⁷ = 8999957 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900004 + ... + 900013.

It is an arithmetic number, because the mean of its divisors is an integer number (2700027).

Almost surely, 2^9000085 is an apocalyptic number.

It is an amenable number.

9000085 is a deficient number, since it is larger than the sum of its proper divisors (1800023).

9000085 is a wasteful number, since it uses less digits than its factorization.

9000085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800022.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 9000085 is about 3000.0141666332. The cubic root of 9000085 is about 208.0090371443.

The spelling of 9000085 in words is "nine million, eighty-five", and thus it is an aban number and an uban number.