41804209 has 4 divisors (see below), whose sum is σ = 42133504. Its totient is φ = 41474916.

The previous prime is 41804183. The next prime is 41804221. The reversal of 41804209 is 90240814.

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 41804209 - 2⁵ = 41804177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41834209) 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, 164457 + ... + 164710.

It is an arithmetic number, because the mean of its divisors is an integer number (10533376).

Almost surely, 2^41804209 is an apocalyptic number.

It is an amenable number.

41804209 is a deficient number, since it is larger than the sum of its proper divisors (329295).

41804209 is a wasteful number, since it uses less digits than its factorization.

41804209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329294.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 41804209 is about 6465.6174492464. The cubic root of 41804209 is about 347.0616843115.

The spelling of 41804209 in words is "forty-one million, eight hundred four thousand, two hundred nine".