18336214 has 16 divisors (see below), whose sum is σ = 29690640. Its totient is φ = 8442720.

The previous prime is 18336209. The next prime is 18336257. The reversal of 18336214 is 41263381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20917 + ... + 21775.

It is an arithmetic number, because the mean of its divisors is an integer number (1855665).

Almost surely, 2^18336214 is an apocalyptic number.

18336214 is a deficient number, since it is larger than the sum of its proper divisors (11354426).

18336214 is a wasteful number, since it uses less digits than its factorization.

18336214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695.

The product of its digits is 3456, while the sum is 28.

The square root of 18336214 is about 4282.0805690692. The cubic root of 18336214 is about 263.6958062699.

Adding to 18336214 its reverse (41263381), we get a palindrome (59599595).

The spelling of 18336214 in words is "eighteen million, three hundred thirty-six thousand, two hundred fourteen".