998133396 has 24 divisors (see below), whose sum is σ = 2508130464. Its totient is φ = 307117920.

The previous prime is 998133373. The next prime is 998133413. The reversal of 998133396 is 693331899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198990 + ... + 3199301.

It is an arithmetic number, because the mean of its divisors is an integer number (104505436).

Almost surely, 2^998133396 is an apocalyptic number.

It is an amenable number.

998133396 is an abundant number, since it is smaller than the sum of its proper divisors (1509997068).

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

998133396 is a wasteful number, since it uses less digits than its factorization.

998133396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398311 (or 6398309 counting only the distinct ones).

The product of its digits is 944784, while the sum is 51.

The square root of 998133396 is about 31593.2492156157. The cubic root of 998133396 is about 999.3774111302.

The spelling of 998133396 in words is "nine hundred ninety-eight million, one hundred thirty-three thousand, three hundred ninety-six".