685107 has 6 divisors (see below), whose sum is σ = 989612. Its totient is φ = 456732.

The previous prime is 685103. The next prime is 685109. The reversal of 685107 is 701586.

685107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 685107 - 2² = 685103 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (685103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38053 + ... + 38070.

2⁶⁸⁵¹⁰⁷ is an apocalyptic number.

685107 is a deficient number, since it is larger than the sum of its proper divisors (304505).

685107 is a wasteful number, since it uses less digits than its factorization.

685107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76129 (or 76126 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 685107 is about 827.7119064022. The cubic root of 685107 is about 88.1561878445.

The spelling of 685107 in words is "six hundred eighty-five thousand, one hundred seven".