998298 has 64 divisors (see below), whose sum is σ = 2688000. Its totient is φ = 268272.

The previous prime is 998287. The next prime is 998311. The reversal of 998298 is 892899.

It is a super-4 number, since 4×998298⁴ (a number of 25 digits) contains 4444 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998298.

It is an unprimeable number.

998298 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 31 ways as a sum of consecutive naturals, for example, 7113 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (42000).

2⁹⁹⁸²⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344000).

998298 is an abundant number, since it is smaller than the sum of its proper divisors (1689702).

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

998298 is a wasteful number, since it uses less digits than its factorization.

998298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 170 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 998298 is about 999.1486375910. The cubic root of 998298 is about 99.9432344495.

It can be divided in two parts, 998 and 298, that added together give a 4-th power (1296 = 6⁴).

The spelling of 998298 in words is "nine hundred ninety-eight thousand, two hundred ninety-eight".