686096 has 20 divisors (see below), whose sum is σ = 1343292. Its totient is φ = 339456.

The previous prime is 686089. The next prime is 686099. The reversal of 686096 is 690686.

It can be written as a sum of positive squares in 2 ways, for example, as 144400 + 541696 = 380^2 + 736^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 686096.

It is not an unprimeable number, because it can be changed into a prime (686099) by changing a digit.

686096 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036 + ... + 2348.

2⁶⁸⁶⁰⁹⁶ is an apocalyptic number.

It is an amenable number.

686096 is a deficient number, since it is larger than the sum of its proper divisors (657196).

686096 is a wasteful number, since it uses less digits than its factorization.

686096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 686096 is about 828.3091210412. The cubic root of 686096 is about 88.1985873287.

The spelling of 686096 in words is "six hundred eighty-six thousand, ninety-six".