104413209 has 4 divisors (see below), whose sum is σ = 139217616. Its totient is φ = 69608804.

The previous prime is 104413163. The next prime is 104413213. The reversal of 104413209 is 902314401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104413209 - 2⁷ = 104413081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104413219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17402199 + ... + 17402204.

It is an arithmetic number, because the mean of its divisors is an integer number (34804404).

Almost surely, 2^104413209 is an apocalyptic number.

It is an amenable number.

104413209 is a deficient number, since it is larger than the sum of its proper divisors (34804407).

104413209 is an equidigital number, since it uses as much as digits as its factorization.

104413209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34804406.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 104413209 is about 10218.2781817682. The cubic root of 104413209 is about 470.8889303149. Note that the first 3 decimals are identical.

The spelling of 104413209 in words is "one hundred four million, four hundred thirteen thousand, two hundred nine".