99000899 has 4 divisors (see below), whose sum is σ = 99026880.
Its totient is φ = 98974920.
The previous prime is 99000893. The next prime is 99000917. The reversal of 99000899 is 99800099.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 99000899 - 24 = 99000883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (99000893) 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 3 ways as a sum of consecutive naturals, for example, 6032 + ... + 15309.
It is an arithmetic number, because the mean of its divisors is an integer number (24756720).
Almost surely, 299000899 is an apocalyptic number.
99000899 is a deficient number, since it is larger than the sum of its proper divisors (25981).
99000899 is a wasteful number, since it uses less digits than its factorization.
99000899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25980.
The product of its (nonzero) digits is 52488, while the sum is 44.
The square root of 99000899 is about 9949.9195474134.
The cubic root of 99000899 is about 462.6079011943.
It can be divided in two parts, 99000 and 899, that added together give a palindrome (99899).
The spelling of 99000899 in words is "ninety-nine million, eight hundred ninety-nine", and thus it is an aban number.