18048585 has 16 divisors (see below), whose sum is σ = 29874240. Its totient is φ = 9293760.

The previous prime is 18048581. The next prime is 18048601. The reversal of 18048585 is 58584081.

It is not a de Polignac number, because 18048585 - 2² = 18048581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18048581) 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 15 ways as a sum of consecutive naturals, for example, 20311 + ... + 21180.

It is an arithmetic number, because the mean of its divisors is an integer number (1867140).

Almost surely, 2^18048585 is an apocalyptic number.

18048585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18048585 is a deficient number, since it is larger than the sum of its proper divisors (11825655).

18048585 is a wasteful number, since it uses less digits than its factorization.

18048585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41528.

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 18048585 is about 4248.3626257654. The cubic root of 18048585 is about 262.3097215165.

The spelling of 18048585 in words is "eighteen million, forty-eight thousand, five hundred eighty-five".