728338904 has 16 divisors (see below), whose sum is σ = 1376390400. Its totient is φ = 361301472.

The previous prime is 728338867. The next prime is 728338957. The reversal of 728338904 is 409833827.

728338904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 357419 + ... + 359450.

It is an arithmetic number, because the mean of its divisors is an integer number (86024400).

Almost surely, 2^728338904 is an apocalyptic number.

It is an amenable number.

728338904 is a deficient number, since it is larger than the sum of its proper divisors (648051496).

728338904 is a wasteful number, since it uses less digits than its factorization.

728338904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717002 (or 716998 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 728338904 is about 26987.7547046804. The cubic root of 728338904 is about 899.7278617532.

The spelling of 728338904 in words is "seven hundred twenty-eight million, three hundred thirty-eight thousand, nine hundred four".