9983898 has 24 divisors (see below), whose sum is σ = 22434048. Its totient is φ = 3327804.

The previous prime is 9983867. The next prime is 9983929. The reversal of 9983898 is 8983899.

9983898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9983867) and next prime (9983929).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9786 + ... + 10757.

It is an arithmetic number, because the mean of its divisors is an integer number (934752).

Almost surely, 2^9983898 is an apocalyptic number.

9983898 is an abundant number, since it is smaller than the sum of its proper divisors (12450150).

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

9983898 is a wasteful number, since it uses less digits than its factorization.

9983898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20560 (or 20548 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 9983898 is about 3159.7306847262. The cubic root of 9983898 is about 215.3277711908.

Subtracting from 9983898 its reverse (8983899), we obtain a palindrome (999999).

The spelling of 9983898 in words is "nine million, nine hundred eighty-three thousand, eight hundred ninety-eight".