4402321 has 8 divisors (see below), whose sum is σ = 5488704. Its totient is φ = 3430320.

The previous prime is 4402291. The next prime is 4402327. The reversal of 4402321 is 1232044.

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 4402321 - 2⁷ = 4402193 is a prime.

It is a super-3 number, since 3×4402321³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4402295 and 4402304.

It is not an unprimeable number, because it can be changed into a prime (4402327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28510 + ... + 28663.

It is an arithmetic number, because the mean of its divisors is an integer number (686088).

Almost surely, 2^4402321 is an apocalyptic number.

It is an amenable number.

4402321 is a deficient number, since it is larger than the sum of its proper divisors (1086383).

4402321 is a wasteful number, since it uses less digits than its factorization.

4402321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57191.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4402321 is about 2098.1708700675. The cubic root of 4402321 is about 163.8930618534.

Adding to 4402321 its reverse (1232044), we get a palindrome (5634365).

It can be divided in two parts, 44023 and 21, that added together give a palindrome (44044).

The spelling of 4402321 in words is "four million, four hundred two thousand, three hundred twenty-one".