9984898 has 32 divisors (see below), whose sum is σ = 19491840. Its totient is φ = 3719760.

The previous prime is 9984893. The next prime is 9984913. The reversal of 9984898 is 8984899.

It is not an unprimeable number, because it can be changed into a prime (9984893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2133 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (609120).

Almost surely, 2^9984898 is an apocalyptic number.

9984898 is a deficient number, since it is larger than the sum of its proper divisors (9506942).

9984898 is a wasteful number, since it uses less digits than its factorization.

9984898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862.

The product of its digits is 1492992, while the sum is 55.

The square root of 9984898 is about 3159.8889220984. Note that the first 3 decimals coincide. The cubic root of 9984898 is about 215.3349601192.

Subtracting from 9984898 its reverse (8984899), we obtain a palindrome (999999).

The spelling of 9984898 in words is "nine million, nine hundred eighty-four thousand, eight hundred ninety-eight".