8738565 has 32 divisors (see below), whose sum is σ = 15386112. Its totient is φ = 4200000.

The previous prime is 8738539. The next prime is 8738567. The reversal of 8738565 is 5658378.

It is not a de Polignac number, because 8738565 - 2⁵ = 8738533 is a prime.

8738565 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8738567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34690 + ... + 34940.

It is an arithmetic number, because the mean of its divisors is an integer number (480816).

Almost surely, 2^8738565 is an apocalyptic number.

It is an amenable number.

8738565 is a deficient number, since it is larger than the sum of its proper divisors (6647547).

8738565 is a wasteful number, since it uses less digits than its factorization.

8738565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its digits is 201600, while the sum is 42.

The square root of 8738565 is about 2956.1063918608. The cubic root of 8738565 is about 205.9744603396.

The spelling of 8738565 in words is "eight million, seven hundred thirty-eight thousand, five hundred sixty-five".