214681 has 4 divisors (see below), whose sum is σ = 226000. Its totient is φ = 203364.

The previous prime is 214673. The next prime is 214691. The reversal of 214681 is 186412.

214681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214681 - 2³ = 214673 is a prime.

It is a super-2 number, since 2×214681² = 92175863522, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (214631) 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, 5631 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (56500).

2²¹⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

214681 is a deficient number, since it is larger than the sum of its proper divisors (11319).

214681 is a wasteful number, since it uses less digits than its factorization.

214681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318.

The product of its digits is 384, while the sum is 22.

The square root of 214681 is about 463.3368105385. The cubic root of 214681 is about 59.8776209295.

The spelling of 214681 in words is "two hundred fourteen thousand, six hundred eighty-one".