18004254 has 8 divisors (see below), whose sum is σ = 36008520. Its totient is φ = 6001416.

The previous prime is 18004249. The next prime is 18004279. The reversal of 18004254 is 45240081.

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

18004254 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500349 + ... + 1500360.

It is an arithmetic number, because the mean of its divisors is an integer number (4501065).

Almost surely, 2^18004254 is an apocalyptic number.

18004254 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.

18004254 is a wasteful number, since it uses less digits than its factorization.

18004254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000714.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 18004254 is about 4243.1419962099. The cubic root of 18004254 is about 262.0947834130.

The spelling of 18004254 in words is "eighteen million, four thousand, two hundred fifty-four".