809438006 has 12 divisors (see below), whose sum is σ = 1314738612. Its totient is φ = 373586616.

The previous prime is 809437999. The next prime is 809438009. The reversal of 809438006 is 600834908.

809438006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809438009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1197056 + ... + 1197731.

It is an arithmetic number, because the mean of its divisors is an integer number (109561551).

Almost surely, 2^809438006 is an apocalyptic number.

809438006 is a deficient number, since it is larger than the sum of its proper divisors (505300606).

809438006 is a wasteful number, since it uses less digits than its factorization.

809438006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394815 (or 2394802 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 809438006 is about 28450.6240001867. The cubic root of 809438006 is about 931.9541159787.

The spelling of 809438006 in words is "eight hundred nine million, four hundred thirty-eight thousand, six".