It is a Curzon number.
It is a plaindrome in base 12.
It is a nialpdrome in base 2 and base 14.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 2046.
It is an unprimeable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2046 is a wasteful number, since it uses less digits than its factorization.
2046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47.
The square root of 2046 is about 45.2327315116. The cubic root of 2046 is about 12.6950732125.
Adding to 2046 its reverse (6402), we get a palindrome (8448).
Subtracting 2046 from its reverse (6402), we obtain a square (4356 = 662).
The spelling of 2046 in words is "two thousand, forty-six", and thus it is an eban number.