214887 has 8 divisors (see below), whose sum is σ = 290304. Its totient is φ = 141368.
The previous prime is 214883. The next prime is 214891. The reversal of 214887 is 788412.
It is an interprime number because it is at equal distance from previous prime (214883) and next prime (214891).
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 214887 - 22 = 214883 is a prime.
It is an Ulam number.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (214883) 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, 183 + ... + 680.
It is an arithmetic number, because the mean of its divisors is an integer number (36288).
2214887 is an apocalyptic number.
214887 is a deficient number, since it is larger than the sum of its proper divisors (75417).
214887 is an equidigital number, since it uses as much as digits as its factorization.
214887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 949.
The product of its digits is 3584, while the sum is 30.
The square root of 214887 is about 463.5590577262. The cubic root of 214887 is about 59.8967669285.
The spelling of 214887 in words is "two hundred fourteen thousand, eight hundred eighty-seven".
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