5809939 has 2 divisors, whose sum is σ = 5809940. Its totient is φ = 5809938.

The previous prime is 5809931. The next prime is 5809943. The reversal of 5809939 is 9399085.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5809939 - 2³ = 5809931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5809895 and 5809904.

It is not a weakly prime, because it can be changed into another prime (5809931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2904969 + 2904970.

It is an arithmetic number, because the mean of its divisors is an integer number (2904970).

Almost surely, 2^5809939 is an apocalyptic number.

5809939 is a deficient number, since it is larger than the sum of its proper divisors (1).

5809939 is an equidigital number, since it uses as much as digits as its factorization.

5809939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 5809939 is about 2410.3815050734. The cubic root of 5809939 is about 179.7727481925.

The spelling of 5809939 in words is "five million, eight hundred nine thousand, nine hundred thirty-nine".