8685105 has 32 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 3886080.

The previous prime is 8685077. The next prime is 8685107. The reversal of 8685105 is 5015868.

It is not a de Polignac number, because 8685105 - 2⁵ = 8685073 is a prime.

It is a super-2 number, since 2×8685105² = 150862097722050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

8685105 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8685107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^8685105 is an apocalyptic number.

It is an amenable number.

8685105 is a deficient number, since it is larger than the sum of its proper divisors (7644495).

8685105 is a wasteful number, since it uses less digits than its factorization.

8685105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 8685105 is about 2947.0502201354. The cubic root of 8685105 is about 205.5535702538.

It can be divided in two parts, 8685 and 105, that multiplied together give a triangular number (911925 = T₁₃₅₀).

The spelling of 8685105 in words is "eight million, six hundred eighty-five thousand, one hundred five".