9728485 has 24 divisors (see below), whose sum is σ = 13110120. Its totient is φ = 6918912.

The previous prime is 9728443. The next prime is 9728489. The reversal of 9728485 is 5848279.

9728485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 4571044 + 5157441 = 2138^2 + 2271^2 .

It is not a de Polignac number, because 9728485 - 2⁹ = 9727973 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9728489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24307 + ... + 24703.

It is an arithmetic number, because the mean of its divisors is an integer number (546255).

Almost surely, 2^9728485 is an apocalyptic number.

It is an amenable number.

9728485 is a deficient number, since it is larger than the sum of its proper divisors (3381635).

9728485 is a wasteful number, since it uses less digits than its factorization.

9728485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 444 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 9728485 is about 3119.0519392918. The cubic root of 9728485 is about 213.4756794671.

It can be divided in two parts, 97 and 28485, that added together give a palindrome (28582).

The spelling of 9728485 in words is "nine million, seven hundred twenty-eight thousand, four hundred eighty-five".