344424320 has 32 divisors (see below), whose sum is σ = 823390920. Its totient is φ = 137769472.

The previous prime is 344424299. The next prime is 344424323. The reversal of 344424320 is 23424443.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×344424320² = 237256224414924800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344424320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344424323) 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, 268442 + ... + 269721.

Almost surely, 2^344424320 is an apocalyptic number.

It is an amenable number.

344424320 is an abundant number, since it is smaller than the sum of its proper divisors (478966600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344424320 is an equidigital number, since it uses as much as digits as its factorization.

344424320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538182 (or 538170 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 344424320 is about 18558.6723663090. The cubic root of 344424320 is about 700.9675870899.

Adding to 344424320 its reverse (23424443), we get a palindrome (367848763).

The spelling of 344424320 in words is "three hundred forty-four million, four hundred twenty-four thousand, three hundred twenty".