9609825 has 24 divisors (see below), whose sum is σ = 16322368. Its totient is φ = 4985280.

The previous prime is 9609799. The next prime is 9609827. The reversal of 9609825 is 5289069.

It is a happy number.

It is not a de Polignac number, because 9609825 - 2⁷ = 9609697 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9609827) 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, 1044 + ... + 4506.

Almost surely, 2^9609825 is an apocalyptic number.

It is an amenable number.

9609825 is a deficient number, since it is larger than the sum of its proper divisors (6712543).

9609825 is a wasteful number, since it uses less digits than its factorization.

9609825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513 (or 3508 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 9609825 is about 3099.9717740650. The cubic root of 9609825 is about 212.6041934247.

The spelling of 9609825 in words is "nine million, six hundred nine thousand, eight hundred twenty-five".