86983 has 4 divisors (see below), whose sum is σ = 93688. Its totient is φ = 80280.
The previous prime is 86981. The next prime is 86993. The reversal of 86983 is 38968.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 86983 - 21 = 86981 is a prime.
It is a Duffinian number.
86983 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86981) 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, 3333 + ... + 3358.
It is an arithmetic number, because the mean of its divisors is an integer number (23422).
286983 is an apocalyptic number.
86983 is a deficient number, since it is larger than the sum of its proper divisors (6705).
86983 is a wasteful number, since it uses less digits than its factorization.
86983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6704.
The product of its digits is 10368, while the sum is 34.
The square root of 86983 is about 294.9288049682. The cubic root of 86983 is about 44.3075899060.
It can be divided in two parts, 869 and 83, that multiplied together give a palindrome (72127).
The spelling of 86983 in words is "eighty-six thousand, nine hundred eighty-three".
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