214818 has 8 divisors (see below), whose sum is σ = 429648. Its totient is φ = 71604.

The previous prime is 214817. The next prime is 214831. The reversal of 214818 is 818412.

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

214818 is an admirable number.

It is a super-2 number, since 2×214818² = 92293546248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (214811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17896 + ... + 17907.

It is an arithmetic number, because the mean of its divisors is an integer number (53706).

2²¹⁴⁸¹⁸ is an apocalyptic number.

214818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

214818 is a wasteful number, since it uses less digits than its factorization.

214818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35808.

The product of its digits is 512, while the sum is 24.

The square root of 214818 is about 463.4846275768. The cubic root of 214818 is about 59.8903553116.

The spelling of 214818 in words is "two hundred fourteen thousand, eight hundred eighteen".