18504341 has 4 divisors (see below), whose sum is σ = 18552300. Its totient is φ = 18456384.

The previous prime is 18504337. The next prime is 18504361. The reversal of 18504341 is 14340581.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14340581 = 53 ⋅270577.

It can be written as a sum of positive squares in 2 ways, for example, as 6400900 + 12103441 = 2530^2 + 3479^2 .

It is a cyclic number.

It is not a de Polignac number, because 18504341 - 2² = 18504337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18504341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18504361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23396 + ... + 24173.

It is an arithmetic number, because the mean of its divisors is an integer number (4638075).

Almost surely, 2^18504341 is an apocalyptic number.

It is an amenable number.

18504341 is a deficient number, since it is larger than the sum of its proper divisors (47959).

18504341 is an equidigital number, since it uses as much as digits as its factorization.

18504341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47958.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 18504341 is about 4301.6672349218. The cubic root of 18504341 is about 264.4993085341.

The spelling of 18504341 in words is "eighteen million, five hundred four thousand, three hundred forty-one".