99389129 has 8 divisors (see below), whose sum is σ = 114691200. Its totient is φ = 84362976.

The previous prime is 99389113. The next prime is 99389149. The reversal of 99389129 is 92198399.

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

It is a cyclic number.

It is not a de Polignac number, because 99389129 - 2⁴ = 99389113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99389149) 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, 68204 + ... + 69645.

It is an arithmetic number, because the mean of its divisors is an integer number (14336400).

Almost surely, 2^99389129 is an apocalyptic number.

It is an amenable number.

99389129 is a deficient number, since it is larger than the sum of its proper divisors (15302071).

99389129 is a wasteful number, since it uses less digits than its factorization.

99389129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137959.

The product of its digits is 314928, while the sum is 50.

The square root of 99389129 is about 9969.4096615597. The cubic root of 99389129 is about 463.2118149425.

The spelling of 99389129 in words is "ninety-nine million, three hundred eighty-nine thousand, one hundred twenty-nine".