344421013 has 8 divisors (see below), whose sum is σ = 352823328. Its totient is φ = 336036624.

The previous prime is 344421001. The next prime is 344421017. The reversal of 344421013 is 310124443.

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-344421013 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 (344421017) 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, 39606 + ... + 47512.

It is an arithmetic number, because the mean of its divisors is an integer number (44102916).

Almost surely, 2^344421013 is an apocalyptic number.

It is an amenable number.

344421013 is a deficient number, since it is larger than the sum of its proper divisors (8402315).

344421013 is a wasteful number, since it uses less digits than its factorization.

344421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8963.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 344421013 is about 18558.5832702822. The cubic root of 344421013 is about 700.9653436292.

Adding to 344421013 its reverse (310124443), we get a palindrome (654545456).

The spelling of 344421013 in words is "three hundred forty-four million, four hundred twenty-one thousand, thirteen".