5806609 has 4 divisors (see below), whose sum is σ = 6112240. Its totient is φ = 5500980.

The previous prime is 5806561. The next prime is 5806613. The reversal of 5806609 is 9066085.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5806609 - 2⁷ = 5806481 is a prime.

It is a Duffinian number.

5806609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5806109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152787 + ... + 152824.

It is an arithmetic number, because the mean of its divisors is an integer number (1528060).

Almost surely, 2^5806609 is an apocalyptic number.

It is an amenable number.

5806609 is a deficient number, since it is larger than the sum of its proper divisors (305631).

5806609 is a wasteful number, since it uses less digits than its factorization.

5806609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305630.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 5806609 is about 2409.6906440454. The cubic root of 5806609 is about 179.7383956999.

Subtracting from 5806609 its product of nonzero digits (12960), we obtain a square (5793649 = 2407²).

The spelling of 5806609 in words is "five million, eight hundred six thousand, six hundred nine".