9873885 has 32 divisors (see below), whose sum is σ = 18173952. Its totient is φ = 4484160.

The previous prime is 9873883. The next prime is 9873893. The reversal of 9873885 is 5883789.

It is a happy number.

9873885 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 9873885 - 2¹ = 9873883 is a prime.

It is a Curzon number.

9873885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9873881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28282 + ... + 28628.

It is an arithmetic number, because the mean of its divisors is an integer number (567936).

Almost surely, 2^9873885 is an apocalyptic number.

It is an amenable number.

9873885 is a deficient number, since it is larger than the sum of its proper divisors (8300067).

9873885 is a wasteful number, since it uses less digits than its factorization.

9873885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its digits is 483840, while the sum is 48.

The square root of 9873885 is about 3142.2738582116. The cubic root of 9873885 is about 214.5339463013.

The spelling of 9873885 in words is "nine million, eight hundred seventy-three thousand, eight hundred eighty-five".