9855925 has 12 divisors (see below), whose sum is σ = 12276000. Its totient is φ = 7849520.

The previous prime is 9855913. The next prime is 9855929. The reversal of 9855925 is 5295589.

9855925 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9855925 - 2⁹ = 9855413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9855929) by changing a digit.

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, 5826 + ... + 7324.

It is an arithmetic number, because the mean of its divisors is an integer number (1023000).

Almost surely, 2^9855925 is an apocalyptic number.

It is an amenable number.

9855925 is a deficient number, since it is larger than the sum of its proper divisors (2420075).

9855925 is a wasteful number, since it uses less digits than its factorization.

9855925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772 (or 1767 counting only the distinct ones).

The product of its digits is 162000, while the sum is 43.

The square root of 9855925 is about 3139.4147543770. The cubic root of 9855925 is about 214.4037925951.

The spelling of 9855925 in words is "nine million, eight hundred fifty-five thousand, nine hundred twenty-five".