8665105 has 4 divisors (see below), whose sum is σ = 10398132. Its totient is φ = 6932080.

The previous prime is 8665099. The next prime is 8665109. The reversal of 8665105 is 5015668.

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 5216656 + 3448449 = 2284^2 + 1857^2 .

It is not a de Polignac number, because 8665105 - 2⁵ = 8665073 is a prime.

It is a super-3 number, since 3×8665105³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8665109) 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, 866506 + ... + 866515.

It is an arithmetic number, because the mean of its divisors is an integer number (2599533).

Almost surely, 2^8665105 is an apocalyptic number.

It is an amenable number.

8665105 is a deficient number, since it is larger than the sum of its proper divisors (1733027).

8665105 is a wasteful number, since it uses less digits than its factorization.

8665105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733026.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 8665105 is about 2943.6550409313. The cubic root of 8665105 is about 205.3956665364.

The spelling of 8665105 in words is "eight million, six hundred sixty-five thousand, one hundred five".