18246806 has 4 divisors (see below), whose sum is σ = 27370212. Its totient is φ = 9123402.

The previous prime is 18246737. The next prime is 18246827. The reversal of 18246806 is 60864281.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4561700 + ... + 4561703.

It is an arithmetic number, because the mean of its divisors is an integer number (6842553).

Almost surely, 2^18246806 is an apocalyptic number.

18246806 is a deficient number, since it is larger than the sum of its proper divisors (9123406).

18246806 is an equidigital number, since it uses as much as digits as its factorization.

18246806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9123405.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 18246806 is about 4271.6280268769. The cubic root of 18246806 is about 263.2665112011.

The spelling of 18246806 in words is "eighteen million, two hundred forty-six thousand, eight hundred six".