438 is nontrivially palindromic in base 5 and base 8.
438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
438 is an esthetic number in base 14, because in such base it adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
438 is an admirable number.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
438 is a nontrivial repdigit in base 8.
It is a plaindrome in base 8, base 11, base 13 and base 14.
It is a nialpdrome in base 8.
It is a zygodrome 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 438.
438 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.
438 is a wasteful number, since it uses less digits than its factorization.
438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78.
The square root of 438 is about 20.9284495365. The cubic root of 438 is about 7.5943633182.
The spelling of 438 in words is "four hundred thirty-eight", and is thus an aban number.