728208356 has 12 divisors (see below), whose sum is σ = 1276084992. Its totient is φ = 363612648.

The previous prime is 728208353. The next prime is 728208367. The reversal of 728208356 is 653802827.

It is not an unprimeable number, because it can be changed into a prime (728208353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119540 + ... + 125483.

It is an arithmetic number, because the mean of its divisors is an integer number (106340416).

Almost surely, 2^728208356 is an apocalyptic number.

It is an amenable number.

728208356 is a deficient number, since it is larger than the sum of its proper divisors (547876636).

728208356 is a wasteful number, since it uses less digits than its factorization.

728208356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245770 (or 245768 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 728208356 is about 26985.3359438047. The cubic root of 728208356 is about 899.6741025802.

The spelling of 728208356 in words is "seven hundred twenty-eight million, two hundred eight thousand, three hundred fifty-six".