344032321 has 8 divisors (see below), whose sum is σ = 359210880. Its totient is φ = 328872192.

The previous prime is 344032319. The next prime is 344032369. The reversal of 344032321 is 123230443.

It is a happy number.

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 344032321 - 2¹ = 344032319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344032292 and 344032301.

It is not an unprimeable number, because it can be changed into a prime (344032301) 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, 45060 + ... + 52138.

It is an arithmetic number, because the mean of its divisors is an integer number (44901360).

Almost surely, 2^344032321 is an apocalyptic number.

It is an amenable number.

344032321 is a deficient number, since it is larger than the sum of its proper divisors (15178559).

344032321 is a wasteful number, since it uses less digits than its factorization.

344032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9215.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 344032321 is about 18548.1082862916. The cubic root of 344032321 is about 700.7015558337.

Adding to 344032321 its reverse (123230443), we get a palindrome (467262764).

The spelling of 344032321 in words is "three hundred forty-four million, thirty-two thousand, three hundred twenty-one".