9898988 has 12 divisors (see below), whose sum is σ = 18898152. Its totient is φ = 4499520.

The previous prime is 9898979. The next prime is 9899003. The reversal of 9898988 is 8898989.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 112445 + ... + 112532.

It is an arithmetic number, because the mean of its divisors is an integer number (1574846).

Almost surely, 2^9898988 is an apocalyptic number.

It is an amenable number.

9898988 is a deficient number, since it is larger than the sum of its proper divisors (8999164).

9898988 is a wasteful number, since it uses less digits than its factorization.

9898988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224992 (or 224990 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 59.

The square root of 9898988 is about 3146.2657230437. The cubic root of 9898988 is about 214.7156001680.

Subtracting from 9898988 its reverse (8898989), we obtain a palindrome (999999).

The spelling of 9898988 in words is "nine million, eight hundred ninety-eight thousand, nine hundred eighty-eight".