Adding to 5424 its reverse (4245), we get a palindrome (9669).
5424 is an undulating number in base 15.
It is an unprimeable number.
25424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5424 is a wasteful number, since it uses less digits than its factorization.
5424 is an odious number, because the sum of its binary digits is odd.
The square root of 5424 is about 73.6478105581. The cubic root of 5424 is about 17.5700592873.
The spelling of 5424 in words is "five thousand, four hundred twenty-four".