99791598 has 16 divisors (see below), whose sum is σ = 211323600. Its totient is φ = 31307136.

The previous prime is 99791569. The next prime is 99791611. The reversal of 99791598 is 89519799.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489073 + ... + 489276.

It is an arithmetic number, because the mean of its divisors is an integer number (13207725).

Almost surely, 2^99791598 is an apocalyptic number.

99791598 is an abundant number, since it is smaller than the sum of its proper divisors (111532002).

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

99791598 is a wasteful number, since it uses less digits than its factorization.

99791598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978371.

The product of its digits is 1837080, while the sum is 57.

The square root of 99791598 is about 9989.5744654114. The cubic root of 99791598 is about 463.8362203132.

The spelling of 99791598 in words is "ninety-nine million, seven hundred ninety-one thousand, five hundred ninety-eight".