214687 has 8 divisors (see below), whose sum is σ = 242640. Its totient is φ = 188160.

The previous prime is 214673. The next prime is 214691. The reversal of 214687 is 786412.

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

It is a cyclic number.

It is not a de Polignac number, because 214687 - 2⁷ = 214559 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18 + ... + 655.

It is an arithmetic number, because the mean of its divisors is an integer number (30330).

2²¹⁴⁶⁸⁷ is an apocalyptic number.

214687 is a deficient number, since it is larger than the sum of its proper divisors (27953).

214687 is a wasteful number, since it uses less digits than its factorization.

214687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its digits is 2688, while the sum is 28.

The square root of 214687 is about 463.3432852648. The cubic root of 214687 is about 59.8781787531.

The spelling of 214687 in words is "two hundred fourteen thousand, six hundred eighty-seven".