9899882 has 8 divisors (see below), whose sum is σ = 15723396. Its totient is φ = 4658752.

The previous prime is 9899863. The next prime is 9899887. The reversal of 9899882 is 2889989.

It can be written as a sum of positive squares in 2 ways, for example, as 9803161 + 96721 = 3131^2 + 311^2 .

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

It is a super-2 number, since 2×9899882² = 196015327227848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9899887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145553 + ... + 145620.

Almost surely, 2^9899882 is an apocalyptic number.

9899882 is a deficient number, since it is larger than the sum of its proper divisors (5823514).

9899882 is a wasteful number, since it uses less digits than its factorization.

9899882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291192.

The product of its digits is 746496, while the sum is 53.

The square root of 9899882 is about 3146.4077930237. The cubic root of 9899882 is about 214.7220637906.

The spelling of 9899882 in words is "nine million, eight hundred ninety-nine thousand, eight hundred eighty-two".