99000839 has 8 divisors (see below), whose sum is σ = 113737728. Its totient is φ = 84412440.

The previous prime is 99000817. The next prime is 99000851. The reversal of 99000839 is 93800099.

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

It is not a de Polignac number, because 99000839 - 2²⁰ = 97952263 is a prime.

It is a super-2 number, since 2×99000839² = 19602332245407842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99000739) 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, 35687 + ... + 38360.

It is an arithmetic number, because the mean of its divisors is an integer number (14217216).

Almost surely, 2^99000839 is an apocalyptic number.

99000839 is a deficient number, since it is larger than the sum of its proper divisors (14736889).

99000839 is a wasteful number, since it uses less digits than its factorization.

99000839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74245.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 99000839 is about 9949.9165323132. The cubic root of 99000839 is about 462.6078077390.

The spelling of 99000839 in words is "ninety-nine million, eight hundred thirty-nine", and thus it is an aban number.