8104409 has 2 divisors, whose sum is σ = 8104410. Its totient is φ = 8104408.

The previous prime is 8104403. The next prime is 8104451. The reversal of 8104409 is 9044018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 38809 = 2840^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 8104409 - 2¹⁶ = 8038873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8104403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4052204 + 4052205.

It is an arithmetic number, because the mean of its divisors is an integer number (4052205).

Almost surely, 2^8104409 is an apocalyptic number.

It is an amenable number.

8104409 is a deficient number, since it is larger than the sum of its proper divisors (1).

8104409 is an equidigital number, since it uses as much as digits as its factorization.

8104409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8104409 is about 2846.8243711195. The cubic root of 8104409 is about 200.8663170557.

The spelling of 8104409 in words is "eight million, one hundred four thousand, four hundred nine".