9000785 has 4 divisors (see below), whose sum is σ = 10800948. Its totient is φ = 7200624.

The previous prime is 9000781. The next prime is 9000787. The reversal of 9000785 is 5870009.

It is a happy number.

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 1607824 + 7392961 = 1268^2 + 2719^2 .

It is a cyclic number.

It is not a de Polignac number, because 9000785 - 2² = 9000781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9000781) 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 3 ways as a sum of consecutive naturals, for example, 900074 + ... + 900083.

It is an arithmetic number, because the mean of its divisors is an integer number (2700237).

Almost surely, 2^9000785 is an apocalyptic number.

It is an amenable number.

9000785 is a deficient number, since it is larger than the sum of its proper divisors (1800163).

9000785 is a wasteful number, since it uses less digits than its factorization.

9000785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800162.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 9000785 is about 3000.1308304806. The cubic root of 9000785 is about 208.0144297805.

The spelling of 9000785 in words is "nine million, seven hundred eighty-five", and thus it is an aban number.