104040209 has 8 divisors (see below), whose sum is σ = 128049600. Its totient is φ = 82317456.

The previous prime is 104040203. The next prime is 104040217. The reversal of 104040209 is 902040401.

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

It is not a de Polignac number, because 104040209 - 2²⁴ = 87262993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104040203) 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, 571559 + ... + 571740.

It is an arithmetic number, because the mean of its divisors is an integer number (16006200).

Almost surely, 2^104040209 is an apocalyptic number.

It is an amenable number.

104040209 is a deficient number, since it is larger than the sum of its proper divisors (24009391).

104040209 is a wasteful number, since it uses less digits than its factorization.

104040209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143319.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 104040209 is about 10200.0102450929. The cubic root of 104040209 is about 470.3275353869.

The spelling of 104040209 in words is "one hundred four million, forty thousand, two hundred nine".