104404809 has 8 divisors (see below), whose sum is σ = 139831552. Its totient is φ = 69290640.

The previous prime is 104404801. The next prime is 104404831. The reversal of 104404809 is 908404401.

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

It is not a de Polignac number, because 104404809 - 2³ = 104404801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104404801) 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 7 ways as a sum of consecutive naturals, for example, 77362 + ... + 78699.

It is an arithmetic number, because the mean of its divisors is an integer number (17478944).

Almost surely, 2^104404809 is an apocalyptic number.

It is an amenable number.

104404809 is a deficient number, since it is larger than the sum of its proper divisors (35426743).

104404809 is a wasteful number, since it uses less digits than its factorization.

104404809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156287.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 104404809 is about 10217.8671453489. The cubic root of 104404809 is about 470.8763023689.

The spelling of 104404809 in words is "one hundred four million, four hundred four thousand, eight hundred nine".