18009114 has 16 divisors (see below), whose sum is σ = 36065952. Its totient is φ = 5995088.

The previous prime is 18009107. The next prime is 18009119. The reversal of 18009114 is 41190081.

It is not an unprimeable number, because it can be changed into a prime (18009119) 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, 4597 + ... + 7559.

It is an arithmetic number, because the mean of its divisors is an integer number (2254122).

Almost surely, 2^18009114 is an apocalyptic number.

18009114 is an abundant number, since it is smaller than the sum of its proper divisors (18056838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18009114 is a wasteful number, since it uses less digits than its factorization.

18009114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 18009114 is about 4243.7146463918. The cubic root of 18009114 is about 262.1183642484.

Adding to 18009114 its reverse (41190081), we get a palindrome (59199195).

The spelling of 18009114 in words is "eighteen million, nine thousand, one hundred fourteen".