8740865 has 12 divisors (see below), whose sum is σ = 12201876. Its totient is φ = 5993568.

The previous prime is 8740859. The next prime is 8740867. The reversal of 8740865 is 5680478.

8740865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4648336 + 4092529 = 2156^2 + 2023^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8740865 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8740867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17594 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (1016823).

It is a Proth number, since it is equal to 1067 ⋅ 2¹³ + 1 and 1067 < 2¹³.

Almost surely, 2^8740865 is an apocalyptic number.

It is an amenable number.

8740865 is a deficient number, since it is larger than the sum of its proper divisors (3461011).

8740865 is a wasteful number, since it uses less digits than its factorization.

8740865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35696 (or 35689 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 8740865 is about 2956.4953915066. The cubic root of 8740865 is about 205.9925296565.

The spelling of 8740865 in words is "eight million, seven hundred forty thousand, eight hundred sixty-five".