348800728 has 8 divisors (see below), whose sum is σ = 654001380. Its totient is φ = 174400360.

The previous prime is 348800723. The next prime is 348800737. The reversal of 348800728 is 827008843.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348800723) 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 as a sum of consecutive naturals, namely, 21800038 + ... + 21800053.

Almost surely, 2^348800728 is an apocalyptic number.

It is an amenable number.

348800728 is a deficient number, since it is larger than the sum of its proper divisors (305200652).

348800728 is a wasteful number, since it uses less digits than its factorization.

348800728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43600097 (or 43600093 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 348800728 is about 18676.2075379345. The cubic root of 348800728 is about 703.9240351487.

The spelling of 348800728 in words is "three hundred forty-eight million, eight hundred thousand, seven hundred twenty-eight".