18036214 has 12 divisors (see below), whose sum is σ = 31471524. Its totient is φ = 7729764.

The previous prime is 18036169. The next prime is 18036229. The reversal of 18036214 is 41263081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91924 + ... + 92119.

It is an arithmetic number, because the mean of its divisors is an integer number (2622627).

Almost surely, 2^18036214 is an apocalyptic number.

18036214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18036214 is a deficient number, since it is larger than the sum of its proper divisors (13435310).

18036214 is a wasteful number, since it uses less digits than its factorization.

18036214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184059 (or 184052 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18036214 is about 4246.9064034895. The cubic root of 18036214 is about 262.2497763692.

Adding to 18036214 its reverse (41263081), we get a palindrome (59299295).

The spelling of 18036214 in words is "eighteen million, thirty-six thousand, two hundred fourteen".