104044409 has 4 divisors (see below), whose sum is σ = 118907904. Its totient is φ = 89180916.

The previous prime is 104044393. The next prime is 104044427. The reversal of 104044409 is 904440401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 904440401 = 5011 ⋅180491.

It is a cyclic number.

It is not a de Polignac number, because 104044409 - 2⁴ = 104044393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104044609) 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, 7431737 + ... + 7431750.

It is an arithmetic number, because the mean of its divisors is an integer number (29726976).

Almost surely, 2^104044409 is an apocalyptic number.

It is an amenable number.

104044409 is a deficient number, since it is larger than the sum of its proper divisors (14863495).

104044409 is an equidigital number, since it uses as much as digits as its factorization.

104044409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14863494.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 104044409 is about 10200.2161251613. The cubic root of 104044409 is about 470.3338641870. Note that the first 3 decimals are identical.

The spelling of 104044409 in words is "one hundred four million, forty-four thousand, four hundred nine".