9728118 has 24 divisors (see below), whose sum is σ = 21290256. Its totient is φ = 3210000.

The previous prime is 9728071. The next prime is 9728123. The reversal of 9728118 is 8118279.

It is a Curzon number.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

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, 858 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (887094).

Almost surely, 2^9728118 is an apocalyptic number.

9728118 is an abundant number, since it is smaller than the sum of its proper divisors (11562138).

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

9728118 is a wasteful number, since it uses less digits than its factorization.

9728118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460 (or 5457 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 9728118 is about 3118.9931067574. The cubic root of 9728118 is about 213.4729950286.

The spelling of 9728118 in words is "nine million, seven hundred twenty-eight thousand, one hundred eighteen".