8065689 has 4 divisors (see below), whose sum is σ = 10754256. Its totient is φ = 5377124.

The previous prime is 8065679. The next prime is 8065693. The reversal of 8065689 is 9865608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8065689 - 2¹¹ = 8063641 is a prime.

It is a super-3 number, since 3×8065689³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8065689.

It is not an unprimeable number, because it can be changed into a prime (8065619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344279 + ... + 1344284.

It is an arithmetic number, because the mean of its divisors is an integer number (2688564).

Almost surely, 2^8065689 is an apocalyptic number.

It is an amenable number.

8065689 is a deficient number, since it is larger than the sum of its proper divisors (2688567).

8065689 is a wasteful number, since it uses less digits than its factorization.

8065689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688566.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 8065689 is about 2840.0156689709. The cubic root of 8065689 is about 200.5459168515.

The spelling of 8065689 in words is "eight million, sixty-five thousand, six hundred eighty-nine".