99398843 has 16 divisors (see below), whose sum is σ = 104924160. Its totient is φ = 94065216.

The previous prime is 99398839. The next prime is 99398857. The reversal of 99398843 is 34889399.

It is a cyclic number.

It is not a de Polignac number, because 99398843 - 2² = 99398839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99398833) 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 15 ways as a sum of consecutive naturals, for example, 276698 + ... + 277056.

It is an arithmetic number, because the mean of its divisors is an integer number (6557760).

Almost surely, 2^99398843 is an apocalyptic number.

99398843 is a deficient number, since it is larger than the sum of its proper divisors (5525317).

99398843 is a wasteful number, since it uses less digits than its factorization.

99398843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586.

The product of its digits is 1679616, while the sum is 53.

The square root of 99398843 is about 9969.8968399879. The cubic root of 99398843 is about 463.2269054359.

The spelling of 99398843 in words is "ninety-nine million, three hundred ninety-eight thousand, eight hundred forty-three".