99000203 has 4 divisors (see below), whose sum is σ = 104210760. Its totient is φ = 93789648.

The previous prime is 99000157. The next prime is 99000217. The reversal of 99000203 is 30200099.

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 99000203 - 2¹⁰ = 98999179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99000263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2605250 + ... + 2605287.

It is an arithmetic number, because the mean of its divisors is an integer number (26052690).

Almost surely, 2^99000203 is an apocalyptic number.

99000203 is a deficient number, since it is larger than the sum of its proper divisors (5210557).

99000203 is a wasteful number, since it uses less digits than its factorization.

99000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210556.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 99000203 is about 9949.8845721948. The cubic root of 99000203 is about 462.6068171104.

The spelling of 99000203 in words is "ninety-nine million, two hundred three", and thus it is an aban number.