9728313 has 12 divisors (see below), whose sum is σ = 15089040. Its totient is φ = 5558952.

The previous prime is 9728291. The next prime is 9728317. The reversal of 9728313 is 3138279.

It is not a de Polignac number, because 9728313 - 2⁵ = 9728281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9728317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32943 + ... + 33236.

It is an arithmetic number, because the mean of its divisors is an integer number (1257420).

Almost surely, 2^9728313 is an apocalyptic number.

It is an amenable number.

9728313 is a deficient number, since it is larger than the sum of its proper divisors (5360727).

9728313 is a wasteful number, since it uses less digits than its factorization.

9728313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66196 (or 66189 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 9728313 is about 3119.0243666890. The cubic root of 9728313 is about 213.4744213735.

The spelling of 9728313 in words is "nine million, seven hundred twenty-eight thousand, three hundred thirteen".