18514318 has 8 divisors (see below), whose sum is σ = 28242360. Its totient is φ = 9100200.

The previous prime is 18514313. The next prime is 18514337. The reversal of 18514318 is 81341581.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18514318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18514313) 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, 78333 + ... + 78568.

It is an arithmetic number, because the mean of its divisors is an integer number (3530295).

Almost surely, 2^18514318 is an apocalyptic number.

18514318 is a deficient number, since it is larger than the sum of its proper divisors (9728042).

18514318 is a wasteful number, since it uses less digits than its factorization.

18514318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156962.

The product of its digits is 3840, while the sum is 31.

The square root of 18514318 is about 4302.8267452920. The cubic root of 18514318 is about 264.5468367595.

Adding to 18514318 its reverse (81341581), we get a palindrome (99855899).

The spelling of 18514318 in words is "eighteen million, five hundred fourteen thousand, three hundred eighteen".