9855923 has 16 divisors (see below), whose sum is σ = 12687360. Its totient is φ = 7430400.

The previous prime is 9855913. The next prime is 9855929. The reversal of 9855923 is 3295589.

9855923 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9855923 - 2¹⁰ = 9854899 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 323 + ... + 4451.

It is an arithmetic number, because the mean of its divisors is an integer number (792960).

Almost surely, 2^9855923 is an apocalyptic number.

9855923 is a deficient number, since it is larger than the sum of its proper divisors (2831437).

9855923 is a wasteful number, since it uses less digits than its factorization.

9855923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178.

The product of its digits is 97200, while the sum is 41.

The square root of 9855923 is about 3139.4144358463. The cubic root of 9855923 is about 214.4037780925.

The spelling of 9855923 in words is "nine million, eight hundred fifty-five thousand, nine hundred twenty-three".