244006809 has 16 divisors (see below), whose sum is σ = 329422464. Its totient is φ = 160640000.

The previous prime is 244006801. The next prime is 244006813. The reversal of 244006809 is 908600442.

It is a cyclic number.

It is not a de Polignac number, because 244006809 - 2³ = 244006801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244006809.

It is not an unprimeable number, because it can be changed into a prime (244006801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151609 + ... + 153209.

It is an arithmetic number, because the mean of its divisors is an integer number (20588904).

Almost surely, 2^244006809 is an apocalyptic number.

It is an amenable number.

244006809 is a deficient number, since it is larger than the sum of its proper divisors (85415655).

244006809 is a wasteful number, since it uses less digits than its factorization.

244006809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 244006809 is about 15620.7173010717. The cubic root of 244006809 is about 624.8857894775.

The spelling of 244006809 in words is "two hundred forty-four million, six thousand, eight hundred nine".