108646 has 4 divisors (see below), whose sum is σ = 162972. Its totient is φ = 54322.

The previous prime is 108643. The next prime is 108649. The reversal of 108646 is 646801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646801 = 683 ⋅947.

It is an interprime number because it is at equal distance from previous prime (108643) and next prime (108649).

It is a self number, because there is not a number n which added to its sum of digits gives 108646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27160 + ... + 27163.

It is an arithmetic number, because the mean of its divisors is an integer number (40743).

2¹⁰⁸⁶⁴⁶ is an apocalyptic number.

108646 is a deficient number, since it is larger than the sum of its proper divisors (54326).

108646 is an equidigital number, since it uses as much as digits as its factorization.

108646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54325.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 108646 is about 329.6149268465. The cubic root of 108646 is about 47.7167929715.

The spelling of 108646 in words is "one hundred eight thousand, six hundred forty-six".