Subtracting from 426 its sum of digits (12), we obtain a palindrome (414).
Adding to 426 its product of digits (48), we get a palindrome (474).
Subtracting from 426 its product of digits (48), we obtain a triangular number (378 = T27).
426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
426 is an admirable number.
It is a Curzon number.
It is a plaindrome in base 4, base 7, base 11, base 13, base 14 and base 16.
It is a nialpdrome in base 8.
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 426.
426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
426 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.
426 is a wasteful number, since it uses less digits than its factorization.
426 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76.
The square root of 426 is about 20.6397674406. The cubic root of 426 is about 7.5243652036.
The spelling of 426 in words is "four hundred twenty-six", and thus it is an aban number.