344044421 has 4 divisors (see below), whose sum is σ = 393193632. Its totient is φ = 294895212.

The previous prime is 344044391. The next prime is 344044423. The reversal of 344044421 is 124440443.

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 344044421 - 2⁶ = 344044357 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 (344044423) 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, 24574595 + ... + 24574608.

It is an arithmetic number, because the mean of its divisors is an integer number (98298408).

Almost surely, 2^344044421 is an apocalyptic number.

It is an amenable number.

344044421 is a deficient number, since it is larger than the sum of its proper divisors (49149211).

344044421 is an equidigital number, since it uses as much as digits as its factorization.

344044421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49149210.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 344044421 is about 18548.4344622397. The cubic root of 344044421 is about 700.7097705555.

Adding to 344044421 its reverse (124440443), we get a palindrome (468484864).

The spelling of 344044421 in words is "three hundred forty-four million, forty-four thousand, four hundred twenty-one".