9992105 has 12 divisors (see below), whose sum is σ = 12254796. Its totient is φ = 7819200.

The previous prime is 9992083. The next prime is 9992113. The reversal of 9992105 is 5012999.

It can be written as a sum of positive squares in 6 ways, for example, as 7546009 + 2446096 = 2747^2 + 1564^2 .

It is not a de Polignac number, because 9992105 - 2¹⁸ = 9729961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55115 + ... + 55295.

It is an arithmetic number, because the mean of its divisors is an integer number (1021233).

Almost surely, 2^9992105 is an apocalyptic number.

It is an amenable number.

9992105 is a deficient number, since it is larger than the sum of its proper divisors (2262691).

9992105 is an equidigital number, since it uses as much as digits as its factorization.

9992105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 9992105 is about 3161.0291045797. The cubic root of 9992105 is about 215.3867565361.

The spelling of 9992105 in words is "nine million, nine hundred ninety-two thousand, one hundred five".