106885 has 4 divisors (see below), whose sum is σ = 128268. Its totient is φ = 85504.

The previous prime is 106877. The next prime is 106903. The reversal of 106885 is 588601.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20449 + 86436 = 143^2 + 294^2 .

It is a cyclic number.

It is not a de Polignac number, because 106885 - 2³ = 106877 is a prime.

It is a super-2 number, since 2×106885² = 22848806450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable 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, 10684 + ... + 10693.

It is an arithmetic number, because the mean of its divisors is an integer number (32067).

2¹⁰⁶⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

106885 is a deficient number, since it is larger than the sum of its proper divisors (21383).

106885 is an equidigital number, since it uses as much as digits as its factorization.

106885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21382.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 106885 is about 326.9327147901. The cubic root of 106885 is about 47.4575798563.

The spelling of 106885 in words is "one hundred six thousand, eight hundred eighty-five".