99836919 has 36 divisors (see below), whose sum is σ = 178482096. Its totient is φ = 52655616.

The previous prime is 99836911. The next prime is 99836921. The reversal of 99836919 is 91963899.

It is not a de Polignac number, because 99836919 - 2³ = 99836911 is a prime.

It is a super-2 number, since 2×99836919² = 19934820790825122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99836911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5959 + ... + 15335.

It is an arithmetic number, because the mean of its divisors is an integer number (4957836).

Almost surely, 2^99836919 is an apocalyptic number.

99836919 is a deficient number, since it is larger than the sum of its proper divisors (78645177).

99836919 is a wasteful number, since it uses less digits than its factorization.

99836919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416 (or 9400 counting only the distinct ones).

The product of its digits is 944784, while the sum is 54.

The square root of 99836919 is about 9991.8426228599. The cubic root of 99836919 is about 463.9064277596.

The spelling of 99836919 in words is "ninety-nine million, eight hundred thirty-six thousand, nine hundred nineteen".