104382209 has 4 divisors (see below), whose sum is σ = 104552004. Its totient is φ = 104212416.

The previous prime is 104382203. The next prime is 104382221. The reversal of 104382209 is 902283401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57047809 + 47334400 = 7553^2 + 6880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104382209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104382203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83972 + ... + 85205.

It is an arithmetic number, because the mean of its divisors is an integer number (26138001).

Almost surely, 2^104382209 is an apocalyptic number.

It is an amenable number.

104382209 is a deficient number, since it is larger than the sum of its proper divisors (169795).

104382209 is an equidigital number, since it uses as much as digits as its factorization.

104382209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169794.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 104382209 is about 10216.7611795520. The cubic root of 104382209 is about 470.8423238179.

The spelling of 104382209 in words is "one hundred four million, three hundred eighty-two thousand, two hundred nine".