214189 has 2 divisors, whose sum is σ = 214190. Its totient is φ = 214188.
The previous prime is 214177. The next prime is 214211. The reversal of 214189 is 981412.
It is a happy number.
214189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 189225 + 24964 = 435^2 + 158^2 .
It is a cyclic number.
It is not a de Polignac number, because 214189 - 211 = 212141 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a plaindrome in base 16.
It is a nialpdrome in base 13.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (214129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107094 + 107095.
It is an arithmetic number, because the mean of its divisors is an integer number (107095).
2214189 is an apocalyptic number.
It is an amenable number.
214189 is a deficient number, since it is larger than the sum of its proper divisors (1).
214189 is an equidigital number, since it uses as much as digits as its factorization.
214189 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 576, while the sum is 25.
The square root of 214189 is about 462.8055747287. The cubic root of 214189 is about 59.8318439810.
The spelling of 214189 in words is "two hundred fourteen thousand, one hundred eighty-nine".
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