99984899 has 8 divisors (see below), whose sum is σ = 114394368. Its totient is φ = 85606920.

The previous prime is 99984893. The next prime is 99984919. The reversal of 99984899 is 99848999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99984899 - 2⁴ = 99984883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99984893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617 + ... + 14154.

It is an arithmetic number, because the mean of its divisors is an integer number (14299296).

Almost surely, 2^99984899 is an apocalyptic number.

99984899 is a deficient number, since it is larger than the sum of its proper divisors (14409469).

99984899 is a wasteful number, since it uses less digits than its factorization.

99984899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745.

The product of its digits is 15116544, while the sum is 65.

The square root of 99984899 is about 9999.2449214928. The cubic root of 99984899 is about 464.1355179741.

The spelling of 99984899 in words is "ninety-nine million, nine hundred eighty-four thousand, eight hundred ninety-nine".