9088728 has 64 divisors (see below), whose sum is σ = 25056000. Its totient is φ = 2724480.

The previous prime is 9088711. The next prime is 9088733. The reversal of 9088728 is 8278809.

It is a happy number.

9088728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9088728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45573 + ... + 45771.

It is an arithmetic number, because the mean of its divisors is an integer number (391500).

Almost surely, 2^9088728 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 9088728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12528000).

9088728 is an abundant number, since it is smaller than the sum of its proper divisors (15967272).

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

9088728 is a wasteful number, since it uses less digits than its factorization.

9088728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 9088728 is about 3014.7517310717. The cubic root of 9088728 is about 208.6897099606.

The spelling of 9088728 in words is "nine million, eighty-eight thousand, seven hundred twenty-eight".