• 246 can be written using four 4's:
246 is nontrivially palindromic in base 5 and base 9.
It is a sphenic number, since it is the product of 3 distinct primes.
246 is an admirable number.
246 is an undulating number in base 9.
It is a straight-line number, since its digits are in arithmetic progression.
It is a plaindrome in base 8, base 10, base 13, base 14 and base 15.
It is a nialpdrome in base 16.
It is a congruent number.
246 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
246 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
246 is a wasteful number, since it uses less digits than its factorization.
246 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46.
The square root of 246 is about 15.6843871414. The cubic root of 246 is about 6.2658265561.
Adding to 246 its reverse (642), we get a palindrome (888).
The spelling of 246 in words is "two hundred forty-six", and thus it is an aban number.