8681705 has 16 divisors (see below), whose sum is σ = 10905600. Its totient is φ = 6626880.

The previous prime is 8681693. The next prime is 8681707. The reversal of 8681705 is 5071868.

It is a happy number.

It is not a de Polignac number, because 8681705 - 2¹⁶ = 8616169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8681707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11891 + ... + 12599.

It is an arithmetic number, because the mean of its divisors is an integer number (681600).

Almost surely, 2^8681705 is an apocalyptic number.

It is an amenable number.

8681705 is a deficient number, since it is larger than the sum of its proper divisors (2223895).

8681705 is a wasteful number, since it uses less digits than its factorization.

8681705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 8681705 is about 2946.4733156776. The cubic root of 8681705 is about 205.5267437366.

The spelling of 8681705 in words is "eight million, six hundred eighty-one thousand, seven hundred five".