99992105 has 8 divisors (see below), whose sum is σ = 120489864. Its totient is φ = 79660800.

The previous prime is 99992099. The next prime is 99992119. The reversal of 99992105 is 50129999.

It can be written as a sum of positive squares in 4 ways, for example, as 12588304 + 87403801 = 3548^2 + 9349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99992105 - 2⁴ = 99992089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40286 + ... + 42695.

It is an arithmetic number, because the mean of its divisors is an integer number (15061233).

Almost surely, 2^99992105 is an apocalyptic number.

It is an amenable number.

99992105 is a deficient number, since it is larger than the sum of its proper divisors (20497759).

99992105 is a wasteful number, since it uses less digits than its factorization.

99992105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83227.

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 99992105 is about 9999.6052422083. The cubic root of 99992105 is about 464.1466679252.

The spelling of 99992105 in words is "ninety-nine million, nine hundred ninety-two thousand, one hundred five".