18807085 has 8 divisors (see below), whose sum is σ = 24620256. Its totient is φ = 13677840.

The previous prime is 18807073. The next prime is 18807091. The reversal of 18807085 is 58070881.

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

It is not a de Polignac number, because 18807085 - 2¹¹ = 18805037 is a prime.

It is a Duffinian 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, 170919 + ... + 171028.

It is an arithmetic number, because the mean of its divisors is an integer number (3077532).

Almost surely, 2^18807085 is an apocalyptic number.

It is an amenable number.

18807085 is a deficient number, since it is larger than the sum of its proper divisors (5813171).

18807085 is a wasteful number, since it uses less digits than its factorization.

18807085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341963.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 18807085 is about 4336.7136174758. The cubic root of 18807085 is about 265.9339774333.

The spelling of 18807085 in words is "eighteen million, eight hundred seven thousand, eighty-five".