9231328 has 24 divisors (see below), whose sum is σ = 18520488. Its totient is φ = 4527744.

The previous prime is 9231311. The next prime is 9231329. The reversal of 9231328 is 8231329.

9231328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9231296 and 9231305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9231329) 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, 1026 + ... + 4417.

It is an arithmetic number, because the mean of its divisors is an integer number (771687).

Almost surely, 2^9231328 is an apocalyptic number.

It is an amenable number.

9231328 is an abundant number, since it is smaller than the sum of its proper divisors (9289160).

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

9231328 is a wasteful number, since it uses less digits than its factorization.

9231328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506 (or 5498 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 9231328 is about 3038.3100565940. The cubic root of 9231328 is about 209.7754818899.

Subtracting from 9231328 its reverse (8231329), we obtain a palindrome (999999).

It can be divided in two parts, 9231 and 328, that added together give a palindrome (9559).

The spelling of 9231328 in words is "nine million, two hundred thirty-one thousand, three hundred twenty-eight".