18314235 has 16 divisors (see below), whose sum is σ = 32558880. Its totient is φ = 9767520.

The previous prime is 18314221. The next prime is 18314243. The reversal of 18314235 is 53241381.

It is a happy number.

It is not a de Polignac number, because 18314235 - 2⁶ = 18314171 is a prime.

It is a super-2 number, since 2×18314235² = 670822407270450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 18314199 and 18314208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67696 + ... + 67965.

It is an arithmetic number, because the mean of its divisors is an integer number (2034930).

Almost surely, 2^18314235 is an apocalyptic number.

18314235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18314235 is a deficient number, since it is larger than the sum of its proper divisors (14244645).

18314235 is a wasteful number, since it uses less digits than its factorization.

18314235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135675 (or 135669 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 18314235 is about 4279.5134069191. The cubic root of 18314235 is about 263.5904030607.

The spelling of 18314235 in words is "eighteen million, three hundred fourteen thousand, two hundred thirty-five".