99816834 has 16 divisors (see below), whose sum is σ = 214990272. Its totient is φ = 30712848.

The previous prime is 99816833. The next prime is 99816839. The reversal of 99816834 is 43861899.

It is not an unprimeable number, because it can be changed into a prime (99816833) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 639774 + ... + 639929.

It is an arithmetic number, because the mean of its divisors is an integer number (13436892).

Almost surely, 2^99816834 is an apocalyptic number.

99816834 is an abundant number, since it is smaller than the sum of its proper divisors (115173438).

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

99816834 is a wasteful number, since it uses less digits than its factorization.

99816834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279721.

The product of its digits is 373248, while the sum is 48.

The square root of 99816834 is about 9990.8375024319. The cubic root of 99816834 is about 463.8753164046.

The spelling of 99816834 in words is "ninety-nine million, eight hundred sixteen thousand, eight hundred thirty-four".