344444421 has 8 divisors (see below), whose sum is σ = 460110304. Its totient is φ = 229204080.

The previous prime is 344444417. The next prime is 344444423. The reversal of 344444421 is 124444443.

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

It is not a de Polignac number, because 344444421 - 2² = 344444417 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 (344444423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104491 + ... + 107736.

It is an arithmetic number, because the mean of its divisors is an integer number (57513788).

Almost surely, 2^344444421 is an apocalyptic number.

It is an amenable number.

344444421 is a deficient number, since it is larger than the sum of its proper divisors (115665883).

344444421 is a wasteful number, since it uses less digits than its factorization.

344444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212771.

The product of its digits is 24576, while the sum is 30.

The square root of 344444421 is about 18559.2139111548. The cubic root of 344444421 is about 700.9812232498.

Adding to 344444421 its reverse (124444443), we get a palindrome (468888864).

It can be divided in two parts, 34444442 and 1, that added together give a palindrome (34444443).

The spelling of 344444421 in words is "three hundred forty-four million, four hundred forty-four thousand, four hundred twenty-one".