99104185 has 4 divisors (see below), whose sum is σ = 118925028. Its totient is φ = 79283344.

The previous prime is 99104177. The next prime is 99104191. The reversal of 99104185 is 58140199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58140199 = 13 ⋅4472323.

It can be written as a sum of positive squares in 2 ways, for example, as 70073641 + 29030544 = 8371^2 + 5388^2 .

It is a cyclic number.

It is not a de Polignac number, because 99104185 - 2³ = 99104177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9910414 + ... + 9910423.

It is an arithmetic number, because the mean of its divisors is an integer number (29731257).

Almost surely, 2^99104185 is an apocalyptic number.

It is an amenable number.

99104185 is a deficient number, since it is larger than the sum of its proper divisors (19820843).

99104185 is a wasteful number, since it uses less digits than its factorization.

99104185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19820842.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 99104185 is about 9955.1084876057. The cubic root of 99104185 is about 462.7687223365.

The spelling of 99104185 in words is "ninety-nine million, one hundred four thousand, one hundred eighty-five".