5688709 has 12 divisors (see below), whose sum is σ = 6317892. Its totient is φ = 5116800.

The previous prime is 5688701. The next prime is 5688719. The reversal of 5688709 is 9078865.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2873025 + 2815684 = 1695^2 + 1678^2 .

It is not a de Polignac number, because 5688709 - 2³ = 5688701 is a prime.

It is a super-2 number, since 2×5688709² = 64722820173362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5688701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6519 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (526491).

Almost surely, 2^5688709 is an apocalyptic number.

It is an amenable number.

5688709 is a deficient number, since it is larger than the sum of its proper divisors (629183).

5688709 is a wasteful number, since it uses less digits than its factorization.

5688709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 5688709 is about 2385.1014653469. The cubic root of 5688709 is about 178.5135717174.

The spelling of 5688709 in words is "five million, six hundred eighty-eight thousand, seven hundred nine".