9992808 has 80 divisors (see below), whose sum is σ = 32002080. Its totient is φ = 2853792.

The previous prime is 9992797. The next prime is 9992861. The reversal of 9992808 is 8082999.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 3435 + ... + 5637.

It is an arithmetic number, because the mean of its divisors is an integer number (400026).

Almost surely, 2^9992808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9992808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16001040).

9992808 is an abundant number, since it is smaller than the sum of its proper divisors (22009272).

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

9992808 is a wasteful number, since it uses less digits than its factorization.

9992808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 9992808 is about 3161.1403005877. The cubic root of 9992808 is about 215.3918076353.

The spelling of 9992808 in words is "nine million, nine hundred ninety-two thousand, eight hundred eight".