8681928 has 16 divisors (see below), whose sum is σ = 21704880. Its totient is φ = 2893968.

The previous prime is 8681923. The next prime is 8681941. The reversal of 8681928 is 8291868.

It is a self number, because there is not a number n which added to its sum of digits gives 8681928.

It is not an unprimeable number, because it can be changed into a prime (8681923) 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, 180850 + ... + 180897.

It is an arithmetic number, because the mean of its divisors is an integer number (1356555).

Almost surely, 2^8681928 is an apocalyptic number.

It is an amenable number.

8681928 is an abundant number, since it is smaller than the sum of its proper divisors (13022952).

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

8681928 is a wasteful number, since it uses less digits than its factorization.

8681928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361756 (or 361752 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 8681928 is about 2946.5111572842. The cubic root of 8681928 is about 205.5285034551.

The spelling of 8681928 in words is "eight million, six hundred eighty-one thousand, nine hundred twenty-eight".