5685665 has 8 divisors (see below), whose sum is σ = 6847848. Its totient is φ = 4531840.

The previous prime is 5685661. The next prime is 5685677. The reversal of 5685665 is 5665865.

5685665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2155024 + 3530641 = 1468^2 + 1879^2 .

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

It is not a de Polignac number, because 5685665 - 2² = 5685661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5685661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476 + ... + 3405.

It is an arithmetic number, because the mean of its divisors is an integer number (855981).

Almost surely, 2^5685665 is an apocalyptic number.

It is an amenable number.

5685665 is a deficient number, since it is larger than the sum of its proper divisors (1162183).

5685665 is a wasteful number, since it uses less digits than its factorization.

5685665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179.

The product of its digits is 216000, while the sum is 41.

The square root of 5685665 is about 2384.4632519710. The cubic root of 5685665 is about 178.4817254606.

The spelling of 5685665 in words is "five million, six hundred eighty-five thousand, six hundred sixty-five".