18914 has 12 divisors (see below), whose sum is σ = 33174. Its totient is φ = 8064.

The previous prime is 18913. The next prime is 18917. The reversal of 18914 is 41981.

18914 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in only one way, i.e., 17689 + 1225 = 133^2 + 35^2 .

It is a zygodrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 18914.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2 + ... + 194.

2¹⁸⁹¹⁴ is an apocalyptic number.

18914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18914 is a deficient number, since it is larger than the sum of its proper divisors (14260).

18914 is a wasteful number, since it uses less digits than its factorization.

18914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 202 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 18914 is about 137.5281789307. The cubic root of 18914 is about 26.6436954957.

The spelling of 18914 in words is "eighteen thousand, nine hundred fourteen".