104426809 has 4 divisors (see below), whose sum is σ = 106648704. Its totient is φ = 102204916.

The previous prime is 104426807. The next prime is 104426821. The reversal of 104426809 is 908624401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104426809 - 2¹ = 104426807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104426807) 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, 1110877 + ... + 1110970.

It is an arithmetic number, because the mean of its divisors is an integer number (26662176).

Almost surely, 2^104426809 is an apocalyptic number.

It is an amenable number.

104426809 is a deficient number, since it is larger than the sum of its proper divisors (2221895).

104426809 is an equidigital number, since it uses as much as digits as its factorization.

104426809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221894.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 104426809 is about 10218.9436342510. The cubic root of 104426809 is about 470.9093741249.

The spelling of 104426809 in words is "one hundred four million, four hundred twenty-six thousand, eight hundred nine".