9999882 has 16 divisors (see below), whose sum is σ = 22222080.
Its totient is φ = 3333276.
The previous prime is 9999877. The next prime is 9999883. The reversal of 9999882 is 2889999.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 185183 = 9999882 / (9 + 9 + 9 + 9 + 8 + 8 + 2).
It is a nialpdrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (9999883) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92538 + ... + 92645.
It is an arithmetic number, because the mean of its divisors is an integer number (1388880).
Almost surely, 29999882 is an apocalyptic number.
9999882 is an abundant number, since it is smaller than the sum of its proper divisors (12222198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9999882 is a wasteful number, since it uses less digits than its factorization.
9999882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 185194 (or 185188 counting only the distinct ones).
The product of its digits is 839808, while the sum is 54.
The square root of 9999882 is about 3162.2590026751.
The cubic root of 9999882 is about 215.4426215889.
The spelling of 9999882 in words is "nine million, nine hundred ninety-nine thousand, eight hundred eighty-two".