344430321 has 8 divisors (see below), whose sum is σ = 459433920. Its totient is φ = 229523472.

The previous prime is 344430293. The next prime is 344430343. The reversal of 344430321 is 123034443.

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

It is not a de Polignac number, because 344430321 - 2⁶ = 344430257 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 344430291 and 344430300.

It is not an unprimeable number, because it can be changed into a prime (344435321) 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, 15426 + ... + 30443.

It is an arithmetic number, because the mean of its divisors is an integer number (57429240).

Almost surely, 2^344430321 is an apocalyptic number.

It is an amenable number.

344430321 is a deficient number, since it is larger than the sum of its proper divisors (115003599).

344430321 is a wasteful number, since it uses less digits than its factorization.

344430321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48375.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 344430321 is about 18558.8340420405. The cubic root of 344430321 is about 700.9716581168.

Adding to 344430321 its reverse (123034443), we get a palindrome (467464764).

The spelling of 344430321 in words is "three hundred forty-four million, four hundred thirty thousand, three hundred twenty-one".