4421424 has 40 divisors (see below), whose sum is σ = 13054720. Its totient is φ = 1263168.

The previous prime is 4421423. The next prime is 4421447. The reversal of 4421424 is 4241244.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a self number, because there is not a number n which added to its sum of digits gives 4421424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6244 + ... + 6915.

It is an arithmetic number, because the mean of its divisors is an integer number (326368).

Almost surely, 2^4421424 is an apocalyptic number.

It is an amenable number.

4421424 is an abundant number, since it is smaller than the sum of its proper divisors (8633296).

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

4421424 is a wasteful number, since it uses less digits than its factorization.

4421424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13177 (or 13171 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 4421424 is about 2102.7182407541. The cubic root of 4421424 is about 164.1297802783.

Adding to 4421424 its reverse (4241244), we get a palindrome (8662668).

The spelling of 4421424 in words is "four million, four hundred twenty-one thousand, four hundred twenty-four".