9988862 has 8 divisors (see below), whose sum is σ = 16135896. Its totient is φ = 4610232.

The previous prime is 9988817. The next prime is 9988873. The reversal of 9988862 is 2688899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9988862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192068 + ... + 192119.

It is an arithmetic number, because the mean of its divisors is an integer number (2016987).

Almost surely, 2^9988862 is an apocalyptic number.

9988862 is a deficient number, since it is larger than the sum of its proper divisors (6147034).

9988862 is a wasteful number, since it uses less digits than its factorization.

9988862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384202.

The product of its digits is 497664, while the sum is 50.

The square root of 9988862 is about 3160.5160970955. The cubic root of 9988862 is about 215.3634523097.

The spelling of 9988862 in words is "nine million, nine hundred eighty-eight thousand, eight hundred sixty-two".