18085706 has 8 divisors (see below), whose sum is σ = 27188544. Its totient is φ = 9022860.

The previous prime is 18085699. The next prime is 18085709. The reversal of 18085706 is 60758081.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (18085709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8840 + ... + 10691.

It is an arithmetic number, because the mean of its divisors is an integer number (3398568).

Almost surely, 2^18085706 is an apocalyptic number.

18085706 is a deficient number, since it is larger than the sum of its proper divisors (9102838).

18085706 is a wasteful number, since it uses less digits than its factorization.

18085706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19996.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 18085706 is about 4252.7292413226. The cubic root of 18085706 is about 262.4894314717.

The spelling of 18085706 in words is "eighteen million, eighty-five thousand, seven hundred six".