8240928 has 24 divisors (see below), whose sum is σ = 21632688. Its totient is φ = 2746944.

The previous prime is 8240909. The next prime is 8240929. The reversal of 8240928 is 8290428.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) 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 (8240929) 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, 42826 + ... + 43017.

It is an arithmetic number, because the mean of its divisors is an integer number (901362).

Almost surely, 2^8240928 is an apocalyptic number.

It is an amenable number.

8240928 is an abundant number, since it is smaller than the sum of its proper divisors (13391760).

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

8240928 is a wasteful number, since it uses less digits than its factorization.

8240928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85856 (or 85848 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8240928 is about 2870.7016563899. The cubic root of 8240928 is about 201.9879089583.

The spelling of 8240928 in words is "eight million, two hundred forty thousand, nine hundred twenty-eight".