214985 has 16 divisors (see below), whose sum is σ = 284160. Its totient is φ = 155520.
The previous prime is 214967. The next prime is 214987. The reversal of 214985 is 589412.
It is not a de Polignac number, because 214985 - 28 = 214729 is a prime.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (214987) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2909 + ... + 2981.
It is an arithmetic number, because the mean of its divisors is an integer number (17760).
2214985 is an apocalyptic number.
It is an amenable number.
214985 is a deficient number, since it is larger than the sum of its proper divisors (69175).
214985 is a wasteful number, since it uses less digits than its factorization.
214985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 128.
The product of its digits is 2880, while the sum is 29.
The square root of 214985 is about 463.6647495767. The cubic root of 214985 is about 59.9058709244.
The spelling of 214985 in words is "two hundred fourteen thousand, nine hundred eighty-five".
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