5688909 has 6 divisors (see below), whose sum is σ = 8217326. Its totient is φ = 3792600.

The previous prime is 5688899. The next prime is 5688911. The reversal of 5688909 is 9098865.

5688909 is a `hidden beast` number, since 568 + 89 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5546025 + 142884 = 2355^2 + 378^2 .

It is not a de Polignac number, because 5688909 - 2⁸ = 5688653 is a prime.

It is a super-2 number, since 2×5688909² = 64727371220562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5688919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316042 + ... + 316059.

Almost surely, 2^5688909 is an apocalyptic number.

It is an amenable number.

5688909 is a deficient number, since it is larger than the sum of its proper divisors (2528417).

5688909 is a wasteful number, since it uses less digits than its factorization.

5688909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632107 (or 632104 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 5688909 is about 2385.1433919159. The cubic root of 5688909 is about 178.5156637150.

The spelling of 5688909 in words is "five million, six hundred eighty-eight thousand, nine hundred nine".