9899112 has 16 divisors (see below), whose sum is σ = 24747840. Its totient is φ = 3299696.

The previous prime is 9899069. The next prime is 9899119. The reversal of 9899112 is 2119989.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9899119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206208 + ... + 206255.

It is an arithmetic number, because the mean of its divisors is an integer number (1546740).

Almost surely, 2^9899112 is an apocalyptic number.

It is an amenable number.

9899112 is an abundant number, since it is smaller than the sum of its proper divisors (14848728).

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

9899112 is a wasteful number, since it uses less digits than its factorization.

9899112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412472 (or 412468 counting only the distinct ones).

The product of its digits is 11664, while the sum is 39.

The square root of 9899112 is about 3146.2854288828. The cubic root of 9899112 is about 214.7164967116.

It can be divided in two parts, 9899 and 112, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 9899112 in words is "nine million, eight hundred ninety-nine thousand, one hundred twelve".