8422928 has 40 divisors (see below), whose sum is σ = 17409600. Its totient is φ = 3936384.

The previous prime is 8422927. The next prime is 8422949. The reversal of 8422928 is 8292248.

8422928 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8422927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31178 + ... + 31446.

It is an arithmetic number, because the mean of its divisors is an integer number (435240).

Almost surely, 2^8422928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8422928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8704800).

8422928 is an abundant number, since it is smaller than the sum of its proper divisors (8986672).

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

8422928 is a wasteful number, since it uses less digits than its factorization.

8422928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 393 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 8422928 is about 2902.2281095737. The cubic root of 8422928 is about 203.4640552112.

The spelling of 8422928 in words is "eight million, four hundred twenty-two thousand, nine hundred twenty-eight".