9329728 has 14 divisors (see below), whose sum is σ = 18513806. Its totient is φ = 4664832.

The previous prime is 9329707. The next prime is 9329759. The reversal of 9329728 is 8279239.

It can be written as a sum of positive squares in only one way, i.e., 5914624 + 3415104 = 2432^2 + 1848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72825 + ... + 72952.

Almost surely, 2^9329728 is an apocalyptic number.

It is an amenable number.

9329728 is a deficient number, since it is larger than the sum of its proper divisors (9184078).

9329728 is a wasteful number, since it uses less digits than its factorization.

9329728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145789 (or 145779 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 9329728 is about 3054.4603451346. The cubic root of 9329728 is about 210.5182062139.

The spelling of 9329728 in words is "nine million, three hundred twenty-nine thousand, seven hundred twenty-eight".