99386109 has 20 divisors (see below), whose sum is σ = 150264576. Its totient is φ = 65454696.

The previous prime is 99386087. The next prime is 99386113. The reversal of 99386109 is 90168399.

99386109 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 99386109 - 2⁷ = 99385981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99381109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 669 + ... + 14114.

Almost surely, 2^99386109 is an apocalyptic number.

It is an amenable number.

99386109 is a deficient number, since it is larger than the sum of its proper divisors (50878467).

99386109 is a wasteful number, since it uses less digits than its factorization.

99386109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14878 (or 14869 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 99386109 is about 9969.2581970777. The cubic root of 99386109 is about 463.2071232360.

The spelling of 99386109 in words is "ninety-nine million, three hundred eighty-six thousand, one hundred nine".