4406321 has 4 divisors (see below), whose sum is σ = 4416000. Its totient is φ = 4396644.

The previous prime is 4406291. The next prime is 4406323. The reversal of 4406321 is 1236044.

It is a happy number.

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 4406321 - 2¹⁸ = 4144177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4406293 and 4406302.

It is not an unprimeable number, because it can be changed into a prime (4406323) 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, 4121 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (1104000).

Almost surely, 2^4406321 is an apocalyptic number.

It is an amenable number.

4406321 is a deficient number, since it is larger than the sum of its proper divisors (9679).

4406321 is an equidigital number, since it uses as much as digits as its factorization.

4406321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9678.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4406321 is about 2099.1238648541. The cubic root of 4406321 is about 163.9426852069.

The spelling of 4406321 in words is "four million, four hundred six thousand, three hundred twenty-one".