344320443 has 8 divisors (see below), whose sum is σ = 510104400. Its totient is φ = 229546944.

The previous prime is 344320429. The next prime is 344320453. The reversal of 344320443 is 344023443.

It is not a de Polignac number, because 344320443 - 2⁵ = 344320411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12752609 = 344320443 / (3 + 4 + 4 + 3 + 2 + 0 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (344320453) 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, 6376278 + ... + 6376331.

It is an arithmetic number, because the mean of its divisors is an integer number (63763050).

Almost surely, 2^344320443 is an apocalyptic number.

344320443 is a deficient number, since it is larger than the sum of its proper divisors (165783957).

344320443 is a wasteful number, since it uses less digits than its factorization.

344320443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12752618 (or 12752612 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 344320443 is about 18555.8735445141. The cubic root of 344320443 is about 700.8971103289.

Adding to 344320443 its reverse (344023443), we get a palindrome (688343886).

The spelling of 344320443 in words is "three hundred forty-four million, three hundred twenty thousand, four hundred forty-three".