214393 has 4 divisors (see below), whose sum is σ = 215460. Its totient is φ = 213328.
The previous prime is 214391. The next prime is 214399. The reversal of 214393 is 393412.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 51984 + 162409 = 228^2 + 403^2 .
It is a cyclic number.
It is not a de Polignac number, because 214393 - 21 = 214391 is a prime.
It is a Duffinian number.
214393 is a lucky number.
It is a plaindrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (214391) 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, 130 + ... + 667.
It is an arithmetic number, because the mean of its divisors is an integer number (53865).
2214393 is an apocalyptic number.
It is an amenable number.
214393 is a deficient number, since it is larger than the sum of its proper divisors (1067).
214393 is an equidigital number, since it uses as much as digits as its factorization.
214393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1066.
The product of its digits is 648, while the sum is 22.
The square root of 214393 is about 463.0259172012. The cubic root of 214393 is about 59.8508331653.
The spelling of 214393 in words is "two hundred fourteen thousand, three hundred ninety-three".
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