9806825 has 12 divisors (see below), whose sum is σ = 13897920. Its totient is φ = 6724560.

The previous prime is 9806801. The next prime is 9806833. The reversal of 9806825 is 5286089.

It is not a de Polignac number, because 9806825 - 2¹² = 9802729 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27845 + ... + 28194.

It is an arithmetic number, because the mean of its divisors is an integer number (1158160).

Almost surely, 2^9806825 is an apocalyptic number.

It is an amenable number.

9806825 is a deficient number, since it is larger than the sum of its proper divisors (4091095).

9806825 is a wasteful number, since it uses less digits than its factorization.

9806825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56056 (or 56051 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 9806825 is about 3131.5850619135. The cubic root of 9806825 is about 214.0471625753.

The spelling of 9806825 in words is "nine million, eight hundred six thousand, eight hundred twenty-five".