108866 has 8 divisors (see below), whose sum is σ = 169020. Its totient is φ = 52528.

The previous prime is 108863. The next prime is 108869. The reversal of 108866 is 668801.

It is an interprime number because it is at equal distance from previous prime (108863) and next prime (108869).

It can be written as a sum of positive squares in 2 ways, for example, as 108241 + 625 = 329^2 + 25^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (108863) by changing a digit.

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, 881 + ... + 996.

2¹⁰⁸⁸⁶⁶ is an apocalyptic number.

108866 is a deficient number, since it is larger than the sum of its proper divisors (60154).

108866 is a wasteful number, since it uses less digits than its factorization.

108866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 108866 is about 329.9484808269. The cubic root of 108866 is about 47.7489788987.

It can be divided in two parts, 108 and 866, that multiplied together give a triangular number (93528 = T₄₃₂).

The spelling of 108866 in words is "one hundred eight thousand, eight hundred sixty-six".