5047809 has 16 divisors (see below), whose sum is σ = 7288512. Its totient is φ = 3089088.

The previous prime is 5047807. The next prime is 5047817. The reversal of 5047809 is 9087405.

It is not a de Polignac number, because 5047809 - 2¹ = 5047807 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5047809.

It is not an unprimeable number, because it can be changed into a prime (5047807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13347 + ... + 13719.

It is an arithmetic number, because the mean of its divisors is an integer number (455532).

Almost surely, 2^5047809 is an apocalyptic number.

It is an amenable number.

5047809 is a deficient number, since it is larger than the sum of its proper divisors (2240703).

5047809 is a wasteful number, since it uses less digits than its factorization.

5047809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 5047809 is about 2246.7329614353. The cubic root of 5047809 is about 171.5408816626.

The spelling of 5047809 in words is "five million, forty-seven thousand, eight hundred nine".