9986898 has 16 divisors (see below), whose sum is σ = 20618496. Its totient is φ = 3221520.

The previous prime is 9986897. The next prime is 9986917. The reversal of 9986898 is 8986899.

It is not an unprimeable number, because it can be changed into a prime (9986897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26661 + ... + 27032.

It is an arithmetic number, because the mean of its divisors is an integer number (1288656).

Almost surely, 2^9986898 is an apocalyptic number.

9986898 is an abundant number, since it is smaller than the sum of its proper divisors (10631598).

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

9986898 is a wasteful number, since it uses less digits than its factorization.

9986898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53729.

The product of its digits is 2239488, while the sum is 57.

The square root of 9986898 is about 3160.2053730731. The cubic root of 9986898 is about 215.3493365361.

Subtracting from 9986898 its reverse (8986899), we obtain a palindrome (999999).

The spelling of 9986898 in words is "nine million, nine hundred eighty-six thousand, eight hundred ninety-eight".