• 286 can be written using four 4's:
286 is nontrivially palindromic in base 15.
286 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
286 is an undulating number in base 5 and base 15.
It is a plaindrome in base 7, base 9, base 14 and base 16.
It is a congruent number.
It is the 11-th tetrahedral number.
2286 is an apocalyptic number.
286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
286 is the 11-th heptagonal number.
286 is a wasteful number, since it uses less digits than its factorization.
286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26.
The square root of 286 is about 16.9115345253. The cubic root of 286 is about 6.5885322745.
Subtracting from 286 its product of digits (96), we obtain a triangular number (190 = T19).
The spelling of 286 in words is "two hundred eighty-six", and thus it is an aban number.