998336826344 has 128 divisors (see below), whose sum is σ = 2208303820800. Its totient is φ = 417139511040.

The previous prime is 998336826313. The next prime is 998336826353. The reversal of 998336826344 is 443628633899.

It is a super-2 number, since 2×998336826344² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405991787 + ... + 405994245.

It is an arithmetic number, because the mean of its divisors is an integer number (17252373600).

Almost surely, 2^998336826344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998336826344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104151910400).

998336826344 is an abundant number, since it is smaller than the sum of its proper divisors (1209966994456).

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

998336826344 is a wasteful number, since it uses less digits than its factorization.

998336826344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823 (or 3819 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 65.

The spelling of 998336826344 in words is "nine hundred ninety-eight billion, three hundred thirty-six million, eight hundred twenty-six thousand, three hundred forty-four".