686095 has 4 divisors (see below), whose sum is σ = 823320. Its totient is φ = 548872.

The previous prime is 686089. The next prime is 686099. The reversal of 686095 is 590686.

686095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 686095 - 2³ = 686087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 686095.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686099) 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, 68605 + ... + 68614.

It is an arithmetic number, because the mean of its divisors is an integer number (205830).

2⁶⁸⁶⁰⁹⁵ is an apocalyptic number.

686095 is a deficient number, since it is larger than the sum of its proper divisors (137225).

686095 is a wasteful number, since it uses less digits than its factorization.

686095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137224.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 686095 is about 828.3085174016. The cubic root of 686095 is about 88.1985444782.

The spelling of 686095 in words is "six hundred eighty-six thousand, ninety-five".