8936665 has 4 divisors (see below), whose sum is σ = 10724004. Its totient is φ = 7149328.

The previous prime is 8936663. The next prime is 8936731. The reversal of 8936665 is 5666398.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5666398 = 2 ⋅2833199.

It can be written as a sum of positive squares in 2 ways, for example, as 4048144 + 4888521 = 2012^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 8936665 - 2¹ = 8936663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8936663) 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 3 ways as a sum of consecutive naturals, for example, 893662 + ... + 893671.

It is an arithmetic number, because the mean of its divisors is an integer number (2681001).

Almost surely, 2^8936665 is an apocalyptic number.

It is an amenable number.

8936665 is a deficient number, since it is larger than the sum of its proper divisors (1787339).

8936665 is a wasteful number, since it uses less digits than its factorization.

8936665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787338.

The product of its digits is 233280, while the sum is 43.

The square root of 8936665 is about 2989.4255300977. The cubic root of 8936665 is about 207.5192995065.

The spelling of 8936665 in words is "eight million, nine hundred thirty-six thousand, six hundred sixty-five".