9728008 has 16 divisors (see below), whose sum is σ = 18283500. Its totient is φ = 4852416.

The previous prime is 9727999. The next prime is 9728009. The reversal of 9728008 is 8008279.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9721924 + 6084 = 3118^2 + 78^2 .

It is not an unprimeable number, because it can be changed into a prime (9728009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878 + ... + 5266.

Almost surely, 2^9728008 is an apocalyptic number.

It is an amenable number.

9728008 is a deficient number, since it is larger than the sum of its proper divisors (8555492).

9728008 is a wasteful number, since it uses less digits than its factorization.

9728008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 9728008 is about 3118.9754728115. The cubic root of 9728008 is about 213.4721904153.

The spelling of 9728008 in words is "nine million, seven hundred twenty-eight thousand, eight".