4424321 has 8 divisors (see below), whose sum is σ = 5080800. Its totient is φ = 3810240.

The previous prime is 4424317. The next prime is 4424323. The reversal of 4424321 is 1234244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4424321 - 2² = 4424317 is a prime.

It is a super-2 number, since 2×4424321² = 39149232622082, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4424293 and 4424302.

It is not an unprimeable number, because it can be changed into a prime (4424323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10376 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (635100).

Almost surely, 2^4424321 is an apocalyptic number.

It is an amenable number.

4424321 is a deficient number, since it is larger than the sum of its proper divisors (656479).

4424321 is a wasteful number, since it uses less digits than its factorization.

4424321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21199.

The product of its digits is 768, while the sum is 20.

The square root of 4424321 is about 2103.4069981818. The cubic root of 4424321 is about 164.1656194229.

Adding to 4424321 its reverse (1234244), we get a palindrome (5658565).

The spelling of 4424321 in words is "four million, four hundred twenty-four thousand, three hundred twenty-one".