9728908 has 24 divisors (see below), whose sum is σ = 20305152. Its totient is φ = 3987984.

The previous prime is 9728903. The next prime is 9728909. The reversal of 9728908 is 8098279.

It is not an unprimeable number, because it can be changed into a prime (9728903) 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 7 ways as a sum of consecutive naturals, for example, 6910 + ... + 8197.

It is an arithmetic number, because the mean of its divisors is an integer number (846048).

Almost surely, 2^9728908 is an apocalyptic number.

It is an amenable number.

9728908 is an abundant number, since it is smaller than the sum of its proper divisors (10576244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9728908 is a wasteful number, since it uses less digits than its factorization.

9728908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15141 (or 15139 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 9728908 is about 3119.1197476211. The cubic root of 9728908 is about 213.4787734365.

The spelling of 9728908 in words is "nine million, seven hundred twenty-eight thousand, nine hundred eight".