344413421 has 8 divisors (see below), whose sum is σ = 397825344. Its totient is φ = 294685120.

The previous prime is 344413373. The next prime is 344413439. The reversal of 344413421 is 124314443.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344413421 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 (344413021) 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, 920705 + ... + 921078.

It is an arithmetic number, because the mean of its divisors is an integer number (49728168).

Almost surely, 2^344413421 is an apocalyptic number.

It is an amenable number.

344413421 is a deficient number, since it is larger than the sum of its proper divisors (53411923).

344413421 is a wasteful number, since it uses less digits than its factorization.

344413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841811.

The product of its digits is 4608, while the sum is 26.

The square root of 344413421 is about 18558.3787276799. The cubic root of 344413421 is about 700.9601931808.

Adding to 344413421 its reverse (124314443), we get a palindrome (468727864).

The spelling of 344413421 in words is "three hundred forty-four million, four hundred thirteen thousand, four hundred twenty-one".