18804041 has 4 divisors (see below), whose sum is σ = 19621632. Its totient is φ = 17986452.

The previous prime is 18804031. The next prime is 18804077. The reversal of 18804041 is 14040881.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14040881 = 317 ⋅44293.

It is a cyclic number.

It is not a de Polignac number, because 18804041 - 2²² = 14609737 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 18804041.

It is not an unprimeable number, because it can be changed into a prime (18804031) 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, 408761 + ... + 408806.

It is an arithmetic number, because the mean of its divisors is an integer number (4905408).

Almost surely, 2^18804041 is an apocalyptic number.

It is an amenable number.

18804041 is a deficient number, since it is larger than the sum of its proper divisors (817591).

18804041 is an equidigital number, since it uses as much as digits as its factorization.

18804041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817590.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 18804041 is about 4336.3626462739. The cubic root of 18804041 is about 265.9196291757.

The spelling of 18804041 in words is "eighteen million, eight hundred four thousand, forty-one".