899808998 has 24 divisors (see below), whose sum is σ = 1487360280. Its totient is φ = 407959200.

The previous prime is 899808991. The next prime is 899809019.

899808998 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899808991) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 94433 + ... + 103523.

It is an arithmetic number, because the mean of its divisors is an integer number (61973345).

Almost surely, 2^899808998 is an apocalyptic number.

899808998 is a deficient number, since it is larger than the sum of its proper divisors (587551282).

899808998 is a wasteful number, since it uses less digits than its factorization.

899808998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524 (or 9513 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 68.

The square root of 899808998 is about 29996.8164644184. The cubic root of 899808998 is about 965.4210796240.

The spelling of 899808998 in words is "eight hundred ninety-nine million, eight hundred eight thousand, nine hundred ninety-eight".