99984159 has 32 divisors (see below), whose sum is σ = 165369600. Its totient is φ = 59179680.

The previous prime is 99984149. The next prime is 99984169. The reversal of 99984159 is 95148999.

It is an interprime number because it is at equal distance from previous prime (99984149) and next prime (99984169).

It is not a de Polignac number, because 99984159 - 2⁵ = 99984127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99984109) 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 31 ways as a sum of consecutive naturals, for example, 8857 + ... + 16685.

It is an arithmetic number, because the mean of its divisors is an integer number (5167800).

Almost surely, 2^99984159 is an apocalyptic number.

99984159 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99984159 is a deficient number, since it is larger than the sum of its proper divisors (65385441).

99984159 is a wasteful number, since it uses less digits than its factorization.

99984159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892 (or 7886 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 99984159 is about 9999.2079186304. The cubic root of 99984159 is about 464.1343729308.

It can be divided in two parts, 999 and 84159, that added together give a palindrome (85158).

The spelling of 99984159 in words is "ninety-nine million, nine hundred eighty-four thousand, one hundred fifty-nine".