It is a Jordan-Polya number, since it can be written as (4!)3 ⋅ (2!)5.
442368 is a Friedman number, since it can be written as (8*(4*3*2)^4)/6, using all its digits and the basic arithmetic operations.
2442368 is an apocalyptic number.
442368 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 442368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
442368 is an frugal number, since it uses more digits than its factorization.
442368 is an evil number, because the sum of its binary digits is even.
The square root of 442368 is about 665.1075101064. The cubic root of 442368 is about 76.1952504945.
Multiplying 442368 by its sum of digits (27), we get a square (11943936 = 34562).
442368 divided by its sum of digits (27) gives a 14-th power (16384 = 214).
The spelling of 442368 in words is "four hundred forty-two thousand, three hundred sixty-eight".