5685739 has 2 divisors, whose sum is σ = 5685740. Its totient is φ = 5685738.

The previous prime is 5685733. The next prime is 5685763. The reversal of 5685739 is 9375865.

5685739 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5685739 - 2⁹ = 5685227 is a prime.

It is a super-2 number, since 2×5685739² = 64655255952242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5685695 and 5685704.

It is not a weakly prime, because it can be changed into another prime (5685733) 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 as a sum of consecutive naturals, namely, 2842869 + 2842870.

It is an arithmetic number, because the mean of its divisors is an integer number (2842870).

Almost surely, 2^5685739 is an apocalyptic number.

5685739 is a deficient number, since it is larger than the sum of its proper divisors (1).

5685739 is an equidigital number, since it uses as much as digits as its factorization.

5685739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 5685739 is about 2384.4787690395. The cubic root of 5685739 is about 178.4824997817.

The spelling of 5685739 in words is "five million, six hundred eighty-five thousand, seven hundred thirty-nine".