18955182 has 8 divisors (see below), whose sum is σ = 37910376. Its totient is φ = 6318392.

The previous prime is 18955169. The next prime is 18955207. The reversal of 18955182 is 28155981.

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

18955182 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 18955182.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579593 + ... + 1579604.

It is an arithmetic number, because the mean of its divisors is an integer number (4738797).

Almost surely, 2^18955182 is an apocalyptic number.

18955182 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18955182 is a wasteful number, since it uses less digits than its factorization.

18955182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159202.

The product of its digits is 28800, while the sum is 39.

The square root of 18955182 is about 4353.7549310911. The cubic root of 18955182 is about 266.6301884130.

The spelling of 18955182 in words is "eighteen million, nine hundred fifty-five thousand, one hundred eighty-two".