728655356 has 48 divisors (see below), whose sum is σ = 1538607840. Its totient is φ = 297457920.

The previous prime is 728655287. The next prime is 728655383. The reversal of 728655356 is 653556827.

It is a self number, because there is not a number n which added to its sum of digits gives 728655356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3950 + ... + 38378.

It is an arithmetic number, because the mean of its divisors is an integer number (32054330).

Almost surely, 2^728655356 is an apocalyptic number.

It is an amenable number.

728655356 is an abundant number, since it is smaller than the sum of its proper divisors (809952484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728655356 is a wasteful number, since it uses less digits than its factorization.

728655356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34494 (or 34492 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 47.

The square root of 728655356 is about 26993.6169491975. The cubic root of 728655356 is about 899.8581488371.

The spelling of 728655356 in words is "seven hundred twenty-eight million, six hundred fifty-five thousand, three hundred fifty-six".