18004341 has 4 divisors (see below), whose sum is σ = 24005792. Its totient is φ = 12002892.

The previous prime is 18004321. The next prime is 18004367. The reversal of 18004341 is 14340081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 18004341 - 2⁷ = 18004213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18004321) by changing a digit.

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, 3000721 + ... + 3000726.

It is an arithmetic number, because the mean of its divisors is an integer number (6001448).

Almost surely, 2^18004341 is an apocalyptic number.

It is an amenable number.

18004341 is a deficient number, since it is larger than the sum of its proper divisors (6001451).

18004341 is an equidigital number, since it uses as much as digits as its factorization.

18004341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001450.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 18004341 is about 4243.1522480345. The cubic root of 18004341 is about 262.0952055764.

The spelling of 18004341 in words is "eighteen million, four thousand, three hundred forty-one".