998129338 has 8 divisors (see below), whose sum is σ = 1533711060. Its totient is φ = 486892320.

The previous prime is 998129291. The next prime is 998129383. The reversal of 998129338 is 833921899.

It can be written as a sum of positive squares in 2 ways, for example, as 975500289 + 22629049 = 31233^2 + 4757^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6086073 + ... + 6086236.

Almost surely, 2^998129338 is an apocalyptic number.

998129338 is a deficient number, since it is larger than the sum of its proper divisors (535581722).

998129338 is a wasteful number, since it uses less digits than its factorization.

998129338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12172352.

The product of its digits is 839808, while the sum is 52.

The square root of 998129338 is about 31593.1849929696. The cubic root of 998129338 is about 999.3760567758.

The spelling of 998129338 in words is "nine hundred ninety-eight million, one hundred twenty-nine thousand, three hundred thirty-eight".