998133393 has 16 divisors (see below), whose sum is σ = 1410713280. Its totient is φ = 625575936.

The previous prime is 998133373. The next prime is 998133413. The reversal of 998133393 is 393331899.

It is an interprime number because it is at equal distance from previous prime (998133373) and next prime (998133413).

It is not a de Polignac number, because 998133393 - 2⁹ = 998132881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998133373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36846 + ... + 57912.

It is an arithmetic number, because the mean of its divisors is an integer number (88169580).

Almost surely, 2^998133393 is an apocalyptic number.

It is an amenable number.

998133393 is a deficient number, since it is larger than the sum of its proper divisors (412579887).

998133393 is a wasteful number, since it uses less digits than its factorization.

998133393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22016.

The product of its digits is 472392, while the sum is 48.

The square root of 998133393 is about 31593.2491681372. The cubic root of 998133393 is about 999.3774101290.

The spelling of 998133393 in words is "nine hundred ninety-eight million, one hundred thirty-three thousand, three hundred ninety-three".