998133392 has 40 divisors (see below), whose sum is σ = 2025834624. Its totient is φ = 475506944.

The previous prime is 998133373. The next prime is 998133413. The reversal of 998133392 is 293331899.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91628 + ... + 101940.

Almost surely, 2^998133392 is an apocalyptic number.

998133392 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998133392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012917312).

998133392 is an abundant number, since it is smaller than the sum of its proper divisors (1027701232).

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

998133392 is a wasteful number, since it uses less digits than its factorization.

998133392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607 (or 10601 counting only the distinct ones).

The product of its digits is 314928, while the sum is 47.

The square root of 998133392 is about 31593.2491523110. The cubic root of 998133392 is about 999.3774097952.

The spelling of 998133392 in words is "nine hundred ninety-eight million, one hundred thirty-three thousand, three hundred ninety-two".