8805728 has 24 divisors (see below), whose sum is σ = 18357192. Its totient is φ = 4143616.

The previous prime is 8805707. The next prime is 8805773. The reversal of 8805728 is 8275088.

It is a junction number, because it is equal to n+sod(n) for n = 8805691 and 8805700.

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, 7550 + ... + 8637.

It is an arithmetic number, because the mean of its divisors is an integer number (764883).

Almost surely, 2^8805728 is an apocalyptic number.

It is an amenable number.

8805728 is an abundant number, since it is smaller than the sum of its proper divisors (9551464).

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

8805728 is a wasteful number, since it uses less digits than its factorization.

8805728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16214 (or 16206 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 8805728 is about 2967.4446919867. Note that the first 3 decimals coincide. The cubic root of 8805728 is about 206.5008080765.

The spelling of 8805728 in words is "eight million, eight hundred five thousand, seven hundred twenty-eight".