728847916 has 12 divisors (see below), whose sum is σ = 1288113120. Its totient is φ = 360815600.

The previous prime is 728847907. The next prime is 728847929. The reversal of 728847916 is 619748827.

728847916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901636 + ... + 902443.

It is an arithmetic number, because the mean of its divisors is an integer number (107342760).

Almost surely, 2^728847916 is an apocalyptic number.

It is an amenable number.

728847916 is a deficient number, since it is larger than the sum of its proper divisors (559265204).

728847916 is a wasteful number, since it uses less digits than its factorization.

728847916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804184 (or 1804182 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The square root of 728847916 is about 26997.1834827265. The cubic root of 728847916 is about 899.9374096390.

The spelling of 728847916 in words is "seven hundred twenty-eight million, eight hundred forty-seven thousand, nine hundred sixteen".