18002085 has 8 divisors (see below), whose sum is σ = 28803360. Its totient is φ = 9601104.

The previous prime is 18002059. The next prime is 18002111. The reversal of 18002085 is 58020081.

It is an interprime number because it is at equal distance from previous prime (18002059) and next prime (18002111).

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

It is not a de Polignac number, because 18002085 - 2⁵ = 18002053 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600055 + ... + 600084.

It is an arithmetic number, because the mean of its divisors is an integer number (3600420).

Almost surely, 2^18002085 is an apocalyptic number.

18002085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18002085 is a deficient number, since it is larger than the sum of its proper divisors (10801275).

18002085 is a wasteful number, since it uses less digits than its factorization.

18002085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200147.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 18002085 is about 4242.8863996105. The cubic root of 18002085 is about 262.0842580039.

The spelling of 18002085 in words is "eighteen million, two thousand, eighty-five".