4444321 has 4 divisors (see below), whose sum is σ = 5079232. Its totient is φ = 3809412.

The previous prime is 4444291. The next prime is 4444331. The reversal of 4444321 is 1234444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4444321 - 2⁵ = 4444289 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4444292 and 4444301.

It is not an unprimeable number, because it can be changed into a prime (4444331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317445 + ... + 317458.

It is an arithmetic number, because the mean of its divisors is an integer number (1269808).

Almost surely, 2^4444321 is an apocalyptic number.

It is an amenable number.

4444321 is a deficient number, since it is larger than the sum of its proper divisors (634911).

4444321 is an equidigital number, since it uses as much as digits as its factorization.

4444321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634910.

The product of its digits is 1536, while the sum is 22.

The square root of 4444321 is about 2108.1558291550. The cubic root of 4444321 is about 164.4126160737.

Adding to 4444321 its reverse (1234444), we get a palindrome (5678765).

The spelling of 4444321 in words is "four million, four hundred forty-four thousand, three hundred twenty-one".