8189 is nontrivially palindromic in base 4.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9818 = 2 ⋅4909.
It is a cyclic number.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is an amenable number.
8189 is a wasteful number, since it uses less digits than its factorization.
8189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450.
The square root of 8189 is about 90.4930936591. The cubic root of 8189 is about 20.1562757146.
The spelling of 8189 in words is "eight thousand, one hundred eighty-nine".