9899292 has 96 divisors (see below), whose sum is σ = 27095040. Its totient is φ = 2787840.

The previous prime is 9899291. The next prime is 9899297. The reversal of 9899292 is 2929989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9899291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111184 + ... + 111272.

It is an arithmetic number, because the mean of its divisors is an integer number (282240).

Almost surely, 2^9899292 is an apocalyptic number.

9899292 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9899292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13547520).

9899292 is an abundant number, since it is smaller than the sum of its proper divisors (17195748).

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

9899292 is a wasteful number, since it uses less digits than its factorization.

9899292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 161 counting only the distinct ones).

The product of its digits is 209952, while the sum is 48.

The square root of 9899292 is about 3146.3140339133. The cubic root of 9899292 is about 214.7177981326.

The spelling of 9899292 in words is "nine million, eight hundred ninety-nine thousand, two hundred ninety-two".