214865 has 12 divisors (see below), whose sum is σ = 300276. Its totient is φ = 147168.

The previous prime is 214853. The next prime is 214867. The reversal of 214865 is 568412.

214865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132496 + 82369 = 364^2 + 287^2 .

It is not a de Polignac number, because 214865 - 2⁴ = 214849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (25023).

2²¹⁴⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

214865 is a deficient number, since it is larger than the sum of its proper divisors (85411).

214865 is an equidigital number, since it uses as much as digits as its factorization.

214865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 889 counting only the distinct ones).

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

The square root of 214865 is about 463.5353276720. The cubic root of 214865 is about 59.8947227939.

The spelling of 214865 in words is "two hundred fourteen thousand, eight hundred sixty-five".