9888242 has 16 divisors (see below), whose sum is σ = 18255552. Its totient is φ = 3911760.

The previous prime is 9888239. The next prime is 9888247. The reversal of 9888242 is 2428889.

It is a self number, because there is not a number n which added to its sum of digits gives 9888242.

It is not an unprimeable number, because it can be changed into a prime (9888247) 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 7 ways as a sum of consecutive naturals, for example, 26984 + ... + 27347.

It is an arithmetic number, because the mean of its divisors is an integer number (1140972).

Almost surely, 2^9888242 is an apocalyptic number.

9888242 is a deficient number, since it is larger than the sum of its proper divisors (8367310).

9888242 is a wasteful number, since it uses less digits than its factorization.

9888242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54353.

The product of its digits is 73728, while the sum is 41.

The square root of 9888242 is about 3144.5575205424. The cubic root of 9888242 is about 214.6378760860.

The spelling of 9888242 in words is "nine million, eight hundred eighty-eight thousand, two hundred forty-two".