18114985 has 8 divisors (see below), whose sum is σ = 24843456. Its totient is φ = 12421680.

The previous prime is 18114977. The next prime is 18115033. The reversal of 18114985 is 58941181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18114985 - 2³ = 18114977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 258751 + ... + 258820.

It is an arithmetic number, because the mean of its divisors is an integer number (3105432).

Almost surely, 2^18114985 is an apocalyptic number.

It is an amenable number.

18114985 is a deficient number, since it is larger than the sum of its proper divisors (6728471).

18114985 is an equidigital number, since it uses as much as digits as its factorization.

18114985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517583.

The product of its digits is 11520, while the sum is 37.

The square root of 18114985 is about 4256.1702268589. The cubic root of 18114985 is about 262.6310033936.

The spelling of 18114985 in words is "eighteen million, one hundred fourteen thousand, nine hundred eighty-five".