9533728 has 24 divisors (see below), whose sum is σ = 18865980. Its totient is φ = 4742400.

The previous prime is 9533723. The next prime is 9533729. The reversal of 9533728 is 8273359.

It can be written as a sum of positive squares in 2 ways, for example, as 9412624 + 121104 = 3068^2 + 348^2 .

It is not an unprimeable number, because it can be changed into a prime (9533723) 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, 6678 + ... + 7978.

Almost surely, 2^9533728 is an apocalyptic number.

It is an amenable number.

9533728 is a deficient number, since it is larger than the sum of its proper divisors (9332252).

9533728 is a wasteful number, since it uses less digits than its factorization.

9533728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1532 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 9533728 is about 3087.6735578749. The cubic root of 9533728 is about 212.0415250330.

The spelling of 9533728 in words is "nine million, five hundred thirty-three thousand, seven hundred twenty-eight".