344780368 has 20 divisors (see below), whose sum is σ = 669421440. Its totient is φ = 172026464.

The previous prime is 344780353. The next prime is 344780399. The reversal of 344780368 is 863087443.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 14830 + ... + 30157.

It is an arithmetic number, because the mean of its divisors is an integer number (33471072).

Almost surely, 2^344780368 is an apocalyptic number.

It is an amenable number.

344780368 is a deficient number, since it is larger than the sum of its proper divisors (324641072).

344780368 is a wasteful number, since it uses less digits than its factorization.

344780368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45474 (or 45468 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 344780368 is about 18568.2623850483. The cubic root of 344780368 is about 701.2090452197.

The spelling of 344780368 in words is "three hundred forty-four million, seven hundred eighty thousand, three hundred sixty-eight".