104046409 has 4 divisors (see below), whose sum is σ = 110166804. Its totient is φ = 97926016.

The previous prime is 104046407. The next prime is 104046487. The reversal of 104046409 is 904640401.

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 78765625 + 25280784 = 8875^2 + 5028^2 .

It is a cyclic number.

It is not a de Polignac number, because 104046409 - 2¹ = 104046407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104046407) 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, 3060172 + ... + 3060205.

It is an arithmetic number, because the mean of its divisors is an integer number (27541701).

Almost surely, 2^104046409 is an apocalyptic number.

It is an amenable number.

104046409 is a deficient number, since it is larger than the sum of its proper divisors (6120395).

104046409 is an equidigital number, since it uses as much as digits as its factorization.

104046409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6120394.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 104046409 is about 10200.3141618285. The cubic root of 104046409 is about 470.3368778415.

The spelling of 104046409 in words is "one hundred four million, forty-six thousand, four hundred nine".