106686 has 12 divisors (see below), whose sum is σ = 231192. Its totient is φ = 35556.

The previous prime is 106681. The next prime is 106693. The reversal of 106686 is 686601.

It is a super-2 number, since 2×106686² = 22763805192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106681) by changing a digit.

106686 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2946 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (19266).

2¹⁰⁶⁶⁸⁶ is an apocalyptic number.

106686 is an abundant number, since it is smaller than the sum of its proper divisors (124506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106686 is a wasteful number, since it uses less digits than its factorization.

106686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935 (or 5932 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 106686 is about 326.6282290311. The cubic root of 106686 is about 47.4281091619.

The spelling of 106686 in words is "one hundred six thousand, six hundred eighty-six".