9728903 has 2 divisors, whose sum is σ = 9728904. Its totient is φ = 9728902.

The previous prime is 9728899. The next prime is 9728909. The reversal of 9728903 is 3098279.

9728903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9728903 - 2² = 9728899 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9728909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4864451 + 4864452.

It is an arithmetic number, because the mean of its divisors is an integer number (4864452).

Almost surely, 2^9728903 is an apocalyptic number.

9728903 is a deficient number, since it is larger than the sum of its proper divisors (1).

9728903 is an equidigital number, since it uses as much as digits as its factorization.

9728903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 9728903 is about 3119.1189461128. The cubic root of 9728903 is about 213.4787368652.

The spelling of 9728903 in words is "nine million, seven hundred twenty-eight thousand, nine hundred three".