8108605 has 4 divisors (see below), whose sum is σ = 9730332. Its totient is φ = 6486880.

The previous prime is 8108593. The next prime is 8108641. The reversal of 8108605 is 5068018.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5068018 = 2 ⋅2534009.

It can be written as a sum of positive squares in 2 ways, for example, as 5631129 + 2477476 = 2373^2 + 1574^2 .

It is not a de Polignac number, because 8108605 - 2¹³ = 8100413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810856 + ... + 810865.

It is an arithmetic number, because the mean of its divisors is an integer number (2432583).

Almost surely, 2^8108605 is an apocalyptic number.

It is an amenable number.

8108605 is a deficient number, since it is larger than the sum of its proper divisors (1621727).

8108605 is a wasteful number, since it uses less digits than its factorization.

8108605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621726.

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

The square root of 8108605 is about 2847.5612372695. The cubic root of 8108605 is about 200.9009767761.

The spelling of 8108605 in words is "eight million, one hundred eight thousand, six hundred five".