9868884 has 12 divisors (see below), whose sum is σ = 23027424. Its totient is φ = 3289624.

The previous prime is 9868867. The next prime is 9868889. The reversal of 9868884 is 4888689.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9868889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411192 + ... + 411215.

It is an arithmetic number, because the mean of its divisors is an integer number (1918952).

Almost surely, 2^9868884 is an apocalyptic number.

It is an amenable number.

9868884 is an abundant number, since it is smaller than the sum of its proper divisors (13158540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9868884 is a wasteful number, since it uses less digits than its factorization.

9868884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822414 (or 822412 counting only the distinct ones).

The product of its digits is 884736, while the sum is 51.

The square root of 9868884 is about 3141.4779961031. The cubic root of 9868884 is about 214.4977205924.

It can be divided in two parts, 986 and 8884, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 9868884 in words is "nine million, eight hundred sixty-eight thousand, eight hundred eighty-four".