18314115 has 16 divisors (see below), whose sum is σ = 29741568. Its totient is φ = 9621216.

The previous prime is 18314113. The next prime is 18314129. The reversal of 18314115 is 51141381.

It is not a de Polignac number, because 18314115 - 2¹ = 18314113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18314113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8107 + ... + 10116.

It is an arithmetic number, because the mean of its divisors is an integer number (1858848).

Almost surely, 2^18314115 is an apocalyptic number.

18314115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18314115 is a deficient number, since it is larger than the sum of its proper divisors (11427453).

18314115 is a wasteful number, since it uses less digits than its factorization.

18314115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18298.

The product of its digits is 480, while the sum is 24.

The square root of 18314115 is about 4279.4993866105. The cubic root of 18314115 is about 263.5898273534.

Adding to 18314115 its reverse (51141381), we get a palindrome (69455496).

The spelling of 18314115 in words is "eighteen million, three hundred fourteen thousand, one hundred fifteen".