728204 has 12 divisors (see below), whose sum is σ = 1280664. Its totient is φ = 362304.

The previous prime is 728191. The next prime is 728207. The reversal of 728204 is 402827.

It is a self number, because there is not a number n which added to its sum of digits gives 728204.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 728204.

It is not an unprimeable number, because it can be changed into a prime (728207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (106722).

2⁷²⁸²⁰⁴ is an apocalyptic number.

It is an amenable number.

728204 is a deficient number, since it is larger than the sum of its proper divisors (552460).

728204 is a wasteful number, since it uses less digits than its factorization.

728204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 728204 is about 853.3486977783. The cubic root of 728204 is about 89.9672308685.

The spelling of 728204 in words is "seven hundred twenty-eight thousand, two hundred four".