99000943 has 4 divisors (see below), whose sum is σ = 99713320.
Its totient is φ = 98288568.
The previous prime is 99000919. The next prime is 99000953. The reversal of 99000943 is 34900099.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 99000943 - 217 = 98869871 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 99000899 and 99000908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (99000953) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355980 + ... + 356257.
It is an arithmetic number, because the mean of its divisors is an integer number (24928330).
Almost surely, 299000943 is an apocalyptic number.
99000943 is a deficient number, since it is larger than the sum of its proper divisors (712377).
99000943 is a wasteful number, since it uses less digits than its factorization.
99000943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 712376.
The product of its (nonzero) digits is 8748, while the sum is 34.
The square root of 99000943 is about 9949.9217584863.
The cubic root of 99000943 is about 462.6079697282.
The spelling of 99000943 in words is "ninety-nine million, nine hundred forty-three", and is thus an aban number.