8085728 has 24 divisors (see below), whose sum is σ = 18193392. Its totient is φ = 3465216.

The previous prime is 8085691. The next prime is 8085743. The reversal of 8085728 is 8275808.

It is a junction number, because it is equal to n+sod(n) for n = 8085691 and 8085700.

It is a congruent number.

It is an unprimeable number.

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, 17825 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (758058).

Almost surely, 2^8085728 is an apocalyptic number.

It is an amenable number.

8085728 is an abundant number, since it is smaller than the sum of its proper divisors (10107664).

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

8085728 is a wasteful number, since it uses less digits than its factorization.

8085728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36114 (or 36106 counting only the distinct ones).

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

The square root of 8085728 is about 2843.5414538916. The cubic root of 8085728 is about 200.7118632474.

The spelling of 8085728 in words is "eight million, eighty-five thousand, seven hundred twenty-eight".