8986 has 4 divisors (see below), whose sum is σ = 13482. Its totient is φ = 4492.
The previous prime is 8971. The next prime is 8999. The reversal of 8986 is 6898.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6898 = 2 ⋅3449.
It can be written as a sum of positive squares in only one way, i.e., 4761 + 4225 = 69^2 + 65^2 .
It is a plaindrome in base 14.
It is a zygodrome in base 3.
It is an unprimeable number.
8986 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2245 + ... + 2248.
28986 is an apocalyptic number.
8986 is a deficient number, since it is larger than the sum of its proper divisors (4496).
8986 is a wasteful number, since it uses less digits than its factorization.
8986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4495.
The product of its digits is 3456, while the sum is 31.
The square root of 8986 is about 94.7945146092. The cubic root of 8986 is about 20.7900470133.
The spelling of 8986 in words is "eight thousand, nine hundred eighty-six".
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