99834009 has 16 divisors (see below), whose sum is σ = 145827264. Its totient is φ = 60249600.

The previous prime is 99834001. The next prime is 99834019. The reversal of 99834009 is 90043899.

It is not a de Polignac number, because 99834009 - 2³ = 99834001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99834001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677 + ... + 14229.

It is an arithmetic number, because the mean of its divisors is an integer number (9114204).

Almost surely, 2^99834009 is an apocalyptic number.

It is an amenable number.

99834009 is a deficient number, since it is larger than the sum of its proper divisors (45993255).

99834009 is a wasteful number, since it uses less digits than its factorization.

99834009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 99834009 is about 9991.6970030121. The cubic root of 99834009 is about 463.9019204730.

The spelling of 99834009 in words is "ninety-nine million, eight hundred thirty-four thousand, nine".