9725385 has 16 divisors (see below), whose sum is σ = 15794496. Its totient is φ = 5108928.

The previous prime is 9725357. The next prime is 9725393. The reversal of 9725385 is 5835279.

It is not a de Polignac number, because 9725385 - 2⁷ = 9725257 is a prime.

It is a super-2 number, since 2×9725385² = 189166226796450, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 3834 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (987156).

Almost surely, 2^9725385 is an apocalyptic number.

It is an amenable number.

9725385 is a deficient number, since it is larger than the sum of its proper divisors (6069111).

9725385 is a wasteful number, since it uses less digits than its factorization.

9725385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9752.

The product of its digits is 75600, while the sum is 39.

The square root of 9725385 is about 3118.5549538208. The cubic root of 9725385 is about 213.4530022496.

The spelling of 9725385 in words is "nine million, seven hundred twenty-five thousand, three hundred eighty-five".