728876 has 12 divisors (see below), whose sum is σ = 1303008. Its totient is φ = 356592.

The previous prime is 728873. The next prime is 728881. The reversal of 728876 is 678827.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (728873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (108584).

2⁷²⁸⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

728876 is a deficient number, since it is larger than the sum of its proper divisors (574132).

728876 is a wasteful number, since it uses less digits than its factorization.

728876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928 (or 3926 counting only the distinct ones).

The product of its digits is 37632, while the sum is 38.

The square root of 728876 is about 853.7423498925. The cubic root of 728876 is about 89.9948968300.

The spelling of 728876 in words is "seven hundred twenty-eight thousand, eight hundred seventy-six".