218014 has 8 divisors (see below), whose sum is σ = 332568. Its totient is φ = 107160.

The previous prime is 218003. The next prime is 218021. The reversal of 218014 is 410812.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772 + ... + 1015.

It is an arithmetic number, because the mean of its divisors is an integer number (41571).

2²¹⁸⁰¹⁴ is an apocalyptic number.

218014 is a deficient number, since it is larger than the sum of its proper divisors (114554).

218014 is a wasteful number, since it uses less digits than its factorization.

218014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 218014 is about 466.9196933092. The cubic root of 218014 is about 60.1859048762.

Adding to 218014 its reverse (410812), we get a palindrome (628826).

The spelling of 218014 in words is "two hundred eighteen thousand, fourteen".