344104421 has 4 divisors (see below), whose sum is σ = 362215200. Its totient is φ = 325993644.

The previous prime is 344104399. The next prime is 344104441. The reversal of 344104421 is 124401443.

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 344104421 - 2²⁶ = 276995557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344104441) 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, 9055361 + ... + 9055398.

It is an arithmetic number, because the mean of its divisors is an integer number (90553800).

Almost surely, 2^344104421 is an apocalyptic number.

It is an amenable number.

344104421 is a deficient number, since it is larger than the sum of its proper divisors (18110779).

344104421 is a wasteful number, since it uses less digits than its factorization.

344104421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18110778.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 344104421 is about 18550.0517789035. The cubic root of 344104421 is about 700.7505018679.

Adding to 344104421 its reverse (124401443), we get a palindrome (468505864).

The spelling of 344104421 in words is "three hundred forty-four million, one hundred four thousand, four hundred twenty-one".