214187 has 4 divisors (see below), whose sum is σ = 225480. Its totient is φ = 202896.

The previous prime is 214177. The next prime is 214189. The reversal of 214187 is 781412.

214187 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 214187 - 2¹⁴ = 197803 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214187.

It is not an unprimeable number, because it can be changed into a prime (214189) 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, 5618 + ... + 5655.

It is an arithmetic number, because the mean of its divisors is an integer number (56370).

2²¹⁴¹⁸⁷ is an apocalyptic number.

214187 is a deficient number, since it is larger than the sum of its proper divisors (11293).

214187 is a wasteful number, since it uses less digits than its factorization.

214187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11292.

The product of its digits is 448, while the sum is 23.

The square root of 214187 is about 462.8034139891. The cubic root of 214187 is about 59.8316577528.

Adding to 214187 its reverse (781412), we get a palindrome (995599).

The spelling of 214187 in words is "two hundred fourteen thousand, one hundred eighty-seven".