84107 has 4 divisors (see below), whose sum is σ = 84816. Its totient is φ = 83400.
The previous prime is 84089. The next prime is 84121. The reversal of 84107 is 70148.
It is a happy number.
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 is a cyclic number.
It is not a de Polignac number, because 84107 - 214 = 67723 is a prime.
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 84107.
It is not an unprimeable number, because it can be changed into a prime (84127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 429.
It is an arithmetic number, because the mean of its divisors is an integer number (21204).
284107 is an apocalyptic number.
84107 is a deficient number, since it is larger than the sum of its proper divisors (709).
84107 is a wasteful number, since it uses less digits than its factorization.
84107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 708.
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 84107 is about 290.0120687144. The cubic root of 84107 is about 43.8137790860.
It can be divided in two parts, 84 and 107, that added together give a palindrome (191).
The spelling of 84107 in words is "eighty-four thousand, one hundred seven".
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