9728325 has 18 divisors (see below), whose sum is σ = 17424914. Its totient is φ = 5188320.

The previous prime is 9728321. The next prime is 9728339. The reversal of 9728325 is 5238279.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 31329 + 9696996 = 177^2 + 3114^2 .

It is not a de Polignac number, because 9728325 - 2² = 9728321 is a prime.

It is a Duffinian number.

It is a zygodrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 9728325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9728321) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21394 + ... + 21843.

Almost surely, 2^9728325 is an apocalyptic number.

It is an amenable number.

9728325 is a deficient number, since it is larger than the sum of its proper divisors (7696589).

9728325 is a wasteful number, since it uses less digits than its factorization.

9728325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43253 (or 43245 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 9728325 is about 3119.0262903669. The cubic root of 9728325 is about 213.4745091480.

The spelling of 9728325 in words is "nine million, seven hundred twenty-eight thousand, three hundred twenty-five".