18395 has 8 divisors (see below), whose sum is σ = 23856. Its totient is φ = 13536.

The previous prime is 18379. The next prime is 18397. The reversal of 18395 is 59381.

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

It is a cyclic number.

It is not a de Polignac number, because 18395 - 2⁴ = 18379 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 18395.

It is not an unprimeable number, because it can be changed into a prime (18397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77 + ... + 206.

It is an arithmetic number, because the mean of its divisors is an integer number (2982).

2¹⁸³⁹⁵ is an apocalyptic number.

18395 is a deficient number, since it is larger than the sum of its proper divisors (5461).

18395 is a wasteful number, since it uses less digits than its factorization.

18395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its digits is 1080, while the sum is 26.

The square root of 18395 is about 135.6281681658. The cubic root of 18395 is about 26.3977309038.

The spelling of 18395 in words is "eighteen thousand, three hundred ninety-five".