5686909 has 4 divisors (see below), whose sum is σ = 5986240. Its totient is φ = 5387580.

The previous prime is 5686873. The next prime is 5686921. The reversal of 5686909 is 9096865.

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 5686909 - 2⁹ = 5686397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5686949) 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, 149637 + ... + 149674.

It is an arithmetic number, because the mean of its divisors is an integer number (1496560).

Almost surely, 2^5686909 is an apocalyptic number.

It is an amenable number.

5686909 is a deficient number, since it is larger than the sum of its proper divisors (299331).

5686909 is a wasteful number, since it uses less digits than its factorization.

5686909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299330.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 5686909 is about 2384.7240930556. The cubic root of 5686909 is about 178.4947415326.

The spelling of 5686909 in words is "five million, six hundred eighty-six thousand, nine hundred nine".