344320424 has 16 divisors (see below), whose sum is σ = 737829600. Its totient is φ = 147565872.

The previous prime is 344320411. The next prime is 344320429. The reversal of 344320424 is 424023443.

It is a junction number, because it is equal to n+sod(n) for n = 344320393 and 344320402.

It is not an unprimeable number, because it can be changed into a prime (344320429) 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 3 ways as a sum of consecutive naturals, for example, 3074234 + ... + 3074345.

It is an arithmetic number, because the mean of its divisors is an integer number (46114350).

Almost surely, 2^344320424 is an apocalyptic number.

It is an amenable number.

344320424 is an abundant number, since it is smaller than the sum of its proper divisors (393509176).

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

344320424 is a wasteful number, since it uses less digits than its factorization.

344320424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148592 (or 6148588 counting only the distinct ones).

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

The square root of 344320424 is about 18555.8730325469. The cubic root of 344320424 is about 700.8970974368.

Adding to 344320424 its reverse (424023443), we get a palindrome (768343867).

The spelling of 344320424 in words is "three hundred forty-four million, three hundred twenty thousand, four hundred twenty-four".