344480728 has 16 divisors (see below), whose sum is σ = 646100280. Its totient is φ = 172187328.

The previous prime is 344480723. The next prime is 344480737. The reversal of 344480728 is 827084443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344480723) 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, 41676 + ... + 49252.

Almost surely, 2^344480728 is an apocalyptic number.

It is an amenable number.

344480728 is a deficient number, since it is larger than the sum of its proper divisors (301619552).

344480728 is a wasteful number, since it uses less digits than its factorization.

344480728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13266 (or 13262 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 344480728 is about 18560.1920248687. The cubic root of 344480728 is about 701.0058519268.

The spelling of 344480728 in words is "three hundred forty-four million, four hundred eighty thousand, seven hundred twenty-eight".