9906992 has 10 divisors (see below), whose sum is σ = 19194828. Its totient is φ = 4953488.

The previous prime is 9906991. The next prime is 9907003. The reversal of 9906992 is 2996099.

It is not an unprimeable number, because it can be changed into a prime (9906991) 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 as a sum of consecutive naturals, namely, 309578 + ... + 309609.

Almost surely, 2^9906992 is an apocalyptic number.

It is an amenable number.

9906992 is a deficient number, since it is larger than the sum of its proper divisors (9287836).

9906992 is a wasteful number, since it uses less digits than its factorization.

9906992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619195 (or 619189 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 9906992 is about 3147.5374501346. The cubic root of 9906992 is about 214.7734552630.

The spelling of 9906992 in words is "nine million, nine hundred six thousand, nine hundred ninety-two".