4421824 has 42 divisors (see below), whose sum is σ = 9661652. Its totient is φ = 2006400.

The previous prime is 4421801. The next prime is 4421831. The reversal of 4421824 is 4281244.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7459 + ... + 8029.

Almost surely, 2^4421824 is an apocalyptic number.

4421824 is a gapful number since it is divisible by the number (44) 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 4421824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4830826).

4421824 is an abundant number, since it is smaller than the sum of its proper divisors (5239828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4421824 is a wasteful number, since it uses less digits than its factorization.

4421824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 584 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 4421824 is about 2102.8133535813. The cubic root of 4421824 is about 164.1347296591.

The spelling of 4421824 in words is "four million, four hundred twenty-one thousand, eight hundred twenty-four".