998419298 has 6 divisors (see below), whose sum is σ = 1497695979.
Its totient is φ = 499187306.
The previous prime is 998419291. The next prime is 998419309. The reversal of 998419298 is 892914899.
998419298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 499209649 + 499209649 = 22343^2 + 22343^2
It is an ABA number since it can be written as A⋅BA, here for A=2, B=22343.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (998419291) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33515 + ... + 55857.
Almost surely, 2998419298 is an apocalyptic number.
998419298 is a deficient number, since it is larger than the sum of its proper divisors (499276681).
998419298 is an frugal number, since it uses more digits than its factorization.
998419298 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44688 (or 22345 counting only the distinct ones).
The product of its digits is 3359232, while the sum is 59.
The square root of 998419298 is about 31597.7736241021.
The cubic root of 998419298 is about 999.4728214650.
The spelling of 998419298 in words is "nine hundred ninety-eight million, four hundred nineteen thousand, two hundred ninety-eight".