18412194 has 8 divisors (see below), whose sum is σ = 36824400. Its totient is φ = 6137396.

The previous prime is 18412183. The next prime is 18412201. The reversal of 18412194 is 49121481.

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

18412194 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534344 + ... + 1534355.

It is an arithmetic number, because the mean of its divisors is an integer number (4603050).

Almost surely, 2^18412194 is an apocalyptic number.

18412194 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.

18412194 is a wasteful number, since it uses less digits than its factorization.

18412194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068704.

The product of its digits is 2304, while the sum is 30.

The square root of 18412194 is about 4290.9432529457. The cubic root of 18412194 is about 264.0595308817.

The spelling of 18412194 in words is "eighteen million, four hundred twelve thousand, one hundred ninety-four".