685714 has 8 divisors (see below), whose sum is σ = 1048140. Its totient is φ = 336336.

The previous prime is 685697. The next prime is 685717. The reversal of 685714 is 417586.

685714 is digitally balanced in base 2, 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 2 ways, for example, as 667489 + 18225 = 817^2 + 135^2 .

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

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (685717) 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, 3129 + ... + 3340.

2⁶⁸⁵⁷¹⁴ is an apocalyptic number.

685714 is a deficient number, since it is larger than the sum of its proper divisors (362426).

685714 is a wasteful number, since it uses less digits than its factorization.

685714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524.

The product of its digits is 6720, while the sum is 31.

The square root of 685714 is about 828.0784986944. The cubic root of 685714 is about 88.1822154141.

The spelling of 685714 in words is "six hundred eighty-five thousand, seven hundred fourteen".