5995809 has 8 divisors (see below), whose sum is σ = 8882720. Its totient is φ = 3997188.

The previous prime is 5995783. The next prime is 5995817. The reversal of 5995809 is 9085995.

5995809 is a `hidden beast` number, since 599 + 58 + 0 + 9 = 666.

It is not a de Polignac number, because 5995809 - 2⁵ = 5995777 is a prime.

It is a Duffinian number.

It is a Curzon number.

5995809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5995819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111007 + ... + 111060.

It is an arithmetic number, because the mean of its divisors is an integer number (1110340).

Almost surely, 2^5995809 is an apocalyptic number.

It is an amenable number.

5995809 is a deficient number, since it is larger than the sum of its proper divisors (2886911).

5995809 is a wasteful number, since it uses less digits than its factorization.

5995809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222076 (or 222070 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The square root of 5995809 is about 2448.6341090494. The cubic root of 5995809 is about 181.6697408041.

The spelling of 5995809 in words is "five million, nine hundred ninety-five thousand, eight hundred nine".