It is a plaindrome in base 13.
433728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2433728 is an apocalyptic number.
433728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 433728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
433728 is a wasteful number, since it uses less digits than its factorization.
433728 is an evil number, because the sum of its binary digits is even.
The square root of 433728 is about 658.5802912326. The cubic root of 433728 is about 75.6959225840.
The spelling of 433728 in words is "four hundred thirty-three thousand, seven hundred twenty-eight".