998193008 has 20 divisors (see below), whose sum is σ = 2018086608. Its totient is φ = 477396480.

The previous prime is 998192981. The next prime is 998193017. The reversal of 998193008 is 800391899.

It is a congruent number.

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, 1355873 + ... + 1356608.

Almost surely, 2^998193008 is an apocalyptic number.

It is an amenable number.

998193008 is an abundant number, since it is smaller than the sum of its proper divisors (1019893600).

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

998193008 is a wasteful number, since it uses less digits than its factorization.

998193008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712512 (or 2712506 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 998193008 is about 31594.1926309251. The cubic root of 998193008 is about 999.3973061665.

The spelling of 998193008 in words is "nine hundred ninety-eight million, one hundred ninety-three thousand, eight".