9888886 has 12 divisors (see below), whose sum is σ = 17255268. Its totient is φ = 4238052.

The previous prime is 9888881. The next prime is 9888887. The reversal of 9888886 is 6888889.

It is an Ulam number.

9888886 is a strobogrammatic number because it is the same when read upside-down.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888881) 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 5 ways as a sum of consecutive naturals, for example, 50356 + ... + 50551.

It is an arithmetic number, because the mean of its divisors is an integer number (1437939).

Almost surely, 2^9888886 is an apocalyptic number.

9888886 is a deficient number, since it is larger than the sum of its proper divisors (7366382).

9888886 is a wasteful number, since it uses less digits than its factorization.

9888886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100923 (or 100916 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 55.

The square root of 9888886 is about 3144.6599180198. The cubic root of 9888886 is about 214.6425356198.

The spelling of 9888886 in words is "nine million, eight hundred eighty-eight thousand, eight hundred eighty-six".