5809665 has 16 divisors (see below), whose sum is σ = 9842688. Its totient is φ = 2916096.

The previous prime is 5809663. The next prime is 5809667. The reversal of 5809665 is 5669085.

It is an interprime number because it is at equal distance from previous prime (5809663) and next prime (5809667).

It is not a de Polignac number, because 5809665 - 2¹ = 5809663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5809663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11137 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (615168).

Almost surely, 2^5809665 is an apocalyptic number.

It is an amenable number.

5809665 is a deficient number, since it is larger than the sum of its proper divisors (4033023).

5809665 is a wasteful number, since it uses less digits than its factorization.

5809665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22808.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 5809665 is about 2410.3246669277. The cubic root of 5809665 is about 179.7699220867.

The spelling of 5809665 in words is "five million, eight hundred nine thousand, six hundred sixty-five".