214685 has 4 divisors (see below), whose sum is σ = 257628. Its totient is φ = 171744.

The previous prime is 214673. The next prime is 214691. The reversal of 214685 is 586412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23716 + 190969 = 154^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 214685 - 2¹⁴ = 198301 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21464 + ... + 21473.

It is an arithmetic number, because the mean of its divisors is an integer number (64407).

2²¹⁴⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

214685 is a deficient number, since it is larger than the sum of its proper divisors (42943).

214685 is an equidigital number, since it uses as much as digits as its factorization.

214685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42942.

The product of its digits is 1920, while the sum is 26.

The square root of 214685 is about 463.3411270328. The cubic root of 214685 is about 59.8779928130.

The spelling of 214685 in words is "two hundred fourteen thousand, six hundred eighty-five".