18304105 has 16 divisors (see below), whose sum is σ = 22809600. Its totient is φ = 14086080.

The previous prime is 18304051. The next prime is 18304147. The reversal of 18304105 is 50140381.

It is not a de Polignac number, because 18304105 - 2²³ = 9915497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41476 + ... + 41914.

It is an arithmetic number, because the mean of its divisors is an integer number (1425600).

Almost surely, 2^18304105 is an apocalyptic number.

It is an amenable number.

18304105 is a deficient number, since it is larger than the sum of its proper divisors (4505495).

18304105 is a wasteful number, since it uses less digits than its factorization.

18304105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 18304105 is about 4278.3296974403. The cubic root of 18304105 is about 263.5417949107.

Adding to 18304105 its reverse (50140381), we get a palindrome (68444486).

The spelling of 18304105 in words is "eighteen million, three hundred four thousand, one hundred five".