104456909 has 2 divisors, whose sum is σ = 104456910. Its totient is φ = 104456908.

The previous prime is 104456903. The next prime is 104456921. The reversal of 104456909 is 909654401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101404900 + 3052009 = 10070^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 104456909 - 2⁴ = 104456893 is a prime.

It is a super-2 number, since 2×104456909² = 21822491675668562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104456903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52228454 + 52228455.

It is an arithmetic number, because the mean of its divisors is an integer number (52228455).

Almost surely, 2^104456909 is an apocalyptic number.

It is an amenable number.

104456909 is a deficient number, since it is larger than the sum of its proper divisors (1).

104456909 is an equidigital number, since it uses as much as digits as its factorization.

104456909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 104456909 is about 10220.4162831071. The cubic root of 104456909 is about 470.9546147760.

The spelling of 104456909 in words is "one hundred four million, four hundred fifty-six thousand, nine hundred nine".