18608085 has 24 divisors (see below), whose sum is σ = 32399640. Its totient is φ = 9879552.

The previous prime is 18608027. The next prime is 18608089. The reversal of 18608085 is 58080681.

It can be written as a sum of positive squares in 4 ways, for example, as 12659364 + 5948721 = 3558^2 + 2439^2 .

It is not a de Polignac number, because 18608085 - 2⁶ = 18608021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18608089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10761 + ... + 12369.

It is an arithmetic number, because the mean of its divisors is an integer number (1349985).

Almost surely, 2^18608085 is an apocalyptic number.

18608085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18608085 is a deficient number, since it is larger than the sum of its proper divisors (13791555).

18608085 is a wasteful number, since it uses less digits than its factorization.

18608085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1874 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 18608085 is about 4313.7089609755. The cubic root of 18608085 is about 264.9926899609.

The spelling of 18608085 in words is "eighteen million, six hundred eight thousand, eighty-five".