It is a semiprime because it is the product of two primes.
It is a d-powerful number, because it can be written as 32 + 63 + 55 + 63 .
It is a plaindrome in base 10 and base 16.
It is a congruent number.
It is an unprimeable number.
23566 is an apocalyptic number.
3566 is a wasteful number, since it uses less digits than its factorization.
3566 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1785.
The square root of 3566 is about 59.7159945073. The cubic root of 3566 is about 15.2777868381.
The spelling of 3566 in words is "three thousand, five hundred sixty-six".