104003909 has 8 divisors (see below), whose sum is σ = 110611008. Its totient is φ = 97451200.

The previous prime is 104003869. The next prime is 104003917. The reversal of 104003909 is 909300401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104003909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104003959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9617 + ... + 17334.

It is an arithmetic number, because the mean of its divisors is an integer number (13826376).

Almost surely, 2^104003909 is an apocalyptic number.

It is an amenable number.

104003909 is a deficient number, since it is larger than the sum of its proper divisors (6607099).

104003909 is a wasteful number, since it uses less digits than its factorization.

104003909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27195.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 104003909 is about 10198.2306798778. The cubic root of 104003909 is about 470.2728293724.

The spelling of 104003909 in words is "one hundred four million, three thousand, nine hundred nine".