It is a happy number.
438312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a nude number because it is divisible by every one of its digits.
438312 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2438312 is an apocalyptic number.
438312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
438312 is a wasteful number, since it uses less digits than its factorization.
438312 is an odious number, because the sum of its binary digits is odd.
The square root of 438312 is about 662.0513575245. The cubic root of 438312 is about 75.9616611800.
The spelling of 438312 in words is "four hundred thirty-eight thousand, three hundred twelve".