5685909 has 8 divisors (see below), whose sum is σ = 7655232. Its totient is φ = 3753600.

The previous prime is 5685887. The next prime is 5685961. The reversal of 5685909 is 9095865.

5685909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5685909 - 2⁵ = 5685877 is a prime.

It is a super-2 number, since 2×5685909² = 64659122312562, which contains 22 as substring.

5685909 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5685809) 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 in 7 ways as a sum of consecutive naturals, for example, 8892 + ... + 9509.

It is an arithmetic number, because the mean of its divisors is an integer number (956904).

Almost surely, 2^5685909 is an apocalyptic number.

It is an amenable number.

5685909 is a deficient number, since it is larger than the sum of its proper divisors (1969323).

5685909 is a wasteful number, since it uses less digits than its factorization.

5685909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18507.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 5685909 is about 2384.5144159766. The cubic root of 5685909 is about 178.4842786019.

The spelling of 5685909 in words is "five million, six hundred eighty-five thousand, nine hundred nine".