214287 has 4 divisors (see below), whose sum is σ = 285720. Its totient is φ = 142856.

The previous prime is 214283. The next prime is 214297. The reversal of 214287 is 782412.

214287 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.

It is a cyclic number.

It is not a de Polignac number, because 214287 - 2² = 214283 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214287.

It is not an unprimeable number, because it can be changed into a prime (214283) 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, 35712 + ... + 35717.

It is an arithmetic number, because the mean of its divisors is an integer number (71430).

2²¹⁴²⁸⁷ is an apocalyptic number.

214287 is a deficient number, since it is larger than the sum of its proper divisors (71433).

214287 is an equidigital number, since it uses as much as digits as its factorization.

214287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71432.

The product of its digits is 896, while the sum is 24.

The square root of 214287 is about 462.9114386143. The cubic root of 214287 is about 59.8409677403.

Adding to 214287 its reverse (782412), we get a palindrome (996699).

The spelling of 214287 in words is "two hundred fourteen thousand, two hundred eighty-seven".