4384321 has 4 divisors (see below), whose sum is σ = 4446144. Its totient is φ = 4322500.

The previous prime is 4384313. The next prime is 4384333. The reversal of 4384321 is 1234834.

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 4384321 - 2³ = 4384313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4384021) 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, 30805 + ... + 30946.

It is an arithmetic number, because the mean of its divisors is an integer number (1111536).

Almost surely, 2^4384321 is an apocalyptic number.

It is an amenable number.

4384321 is a deficient number, since it is larger than the sum of its proper divisors (61823).

4384321 is an equidigital number, since it uses as much as digits as its factorization.

4384321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61822.

The product of its digits is 2304, while the sum is 25.

The square root of 4384321 is about 2093.8770259975. The cubic root of 4384321 is about 163.6693840116.

The spelling of 4384321 in words is "four million, three hundred eighty-four thousand, three hundred twenty-one".