998133402 has 32 divisors (see below), whose sum is σ = 2283651072. Its totient is φ = 284905584.

The previous prime is 998133373. The next prime is 998133413. The reversal of 998133402 is 204331899.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34723 + ... + 56585.

It is an arithmetic number, because the mean of its divisors is an integer number (71364096).

Almost surely, 2^998133402 is an apocalyptic number.

998133402 is an abundant number, since it is smaller than the sum of its proper divisors (1285517670).

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

998133402 is a wasteful number, since it uses less digits than its factorization.

998133402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22962.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 998133402 is about 31593.2493105727. The cubic root of 998133402 is about 999.3774131327.

The spelling of 998133402 in words is "nine hundred ninety-eight million, one hundred thirty-three thousand, four hundred two".