99844899 has 32 divisors (see below), whose sum is σ = 169382400. Its totient is φ = 51861600.

The previous prime is 99844891. The next prime is 99844939.

99844899 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99844899 - 2³ = 99844891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99844891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6909 + ... + 15729.

It is an arithmetic number, because the mean of its divisors is an integer number (5293200).

Almost surely, 2^99844899 is an apocalyptic number.

99844899 is a deficient number, since it is larger than the sum of its proper divisors (69537501).

99844899 is a wasteful number, since it uses less digits than its factorization.

99844899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856 (or 8842 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 60.

The square root of 99844899 is about 9992.2419406257. The cubic root of 99844899 is about 463.9187874982.

The spelling of 99844899 in words is "ninety-nine million, eight hundred forty-four thousand, eight hundred ninety-nine".