8609085 has 40 divisors (see below), whose sum is σ = 15986520. Its totient is φ = 4427136.

The previous prime is 8609077. The next prime is 8609087. The reversal of 8609085 is 5809068.

It can be written as a sum of positive squares in 4 ways, for example, as 3175524 + 5433561 = 1782^2 + 2331^2 .

It is not a de Polignac number, because 8609085 - 2³ = 8609077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8609087) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 11379 + ... + 12111.

It is an arithmetic number, because the mean of its divisors is an integer number (399663).

Almost surely, 2^8609085 is an apocalyptic number.

It is an amenable number.

8609085 is a deficient number, since it is larger than the sum of its proper divisors (7377435).

8609085 is a wasteful number, since it uses less digits than its factorization.

8609085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 8609085 is about 2934.1242304988. The cubic root of 8609085 is about 204.9520808084.

The spelling of 8609085 in words is "eight million, six hundred nine thousand, eighty-five".