9998298 has 12 divisors (see below), whose sum is σ = 21663018. Its totient is φ = 3332760.

The previous prime is 9998281. The next prime is 9998309. The reversal of 9998298 is 8928999.

It can be written as a sum of positive squares in only one way, i.e., 9566649 + 431649 = 3093^2 + 657^2 .

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 277713 + ... + 277748.

Almost surely, 2^9998298 is an apocalyptic number.

9998298 is an abundant number, since it is smaller than the sum of its proper divisors (11664720).

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

9998298 is a wasteful number, since it uses less digits than its factorization.

9998298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555469 (or 555466 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The square root of 9998298 is about 3162.0085388879. The cubic root of 9998298 is about 215.4312454835.

Subtracting from 9998298 its sum of digits (54), we obtain a square (9998244 = 3162²).

It can be divided in two parts, 9998 and 298, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 9998298 in words is "nine million, nine hundred ninety-eight thousand, two hundred ninety-eight".