899888998 has 4 divisors (see below), whose sum is σ = 1349833500. Its totient is φ = 449944498.

The previous prime is 899888981. The next prime is 899889013.

It is a happy number.

899888998 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 224972248 + ... + 224972251.

It is an arithmetic number, because the mean of its divisors is an integer number (337458375).

Almost surely, 2^899888998 is an apocalyptic number.

899888998 is a deficient number, since it is larger than the sum of its proper divisors (449944502).

899888998 is a wasteful number, since it uses less digits than its factorization.

899888998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449944501.

The product of its digits is 214990848, while the sum is 76.

The square root of 899888998 is about 29998.1499096194. The cubic root of 899888998 is about 965.4496899171.

The spelling of 899888998 in words is "eight hundred ninety-nine million, eight hundred eighty-eight thousand, nine hundred ninety-eight".