18086682 has 16 divisors (see below), whose sum is σ = 36683712. Its totient is φ = 5943840.

The previous prime is 18086647. The next prime is 18086707. The reversal of 18086682 is 28668081.

It is a self number, because there is not a number n which added to its sum of digits gives 18086682.

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, 20803 + ... + 21654.

It is an arithmetic number, because the mean of its divisors is an integer number (2292732).

Almost surely, 2^18086682 is an apocalyptic number.

18086682 is an abundant number, since it is smaller than the sum of its proper divisors (18597030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18086682 is a wasteful number, since it uses less digits than its factorization.

18086682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42533.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 18086682 is about 4252.8439896145. The cubic root of 18086682 is about 262.4941531578.

The spelling of 18086682 in words is "eighteen million, eighty-six thousand, six hundred eighty-two".