8004065 has 4 divisors (see below), whose sum is σ = 9604884. Its totient is φ = 6403248.

The previous prime is 8004047. The next prime is 8004067. The reversal of 8004065 is 5604008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3748096 + 4255969 = 1936^2 + 2063^2 .

It is a cyclic number.

It is not a de Polignac number, because 8004065 - 2¹⁰ = 8003041 is a prime.

It is a Duffinian number.

8004065 is a modest number, since divided by 4065 gives 80 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 8004065.

It is not an unprimeable number, because it can be changed into a prime (8004067) 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, 800402 + ... + 800411.

It is an arithmetic number, because the mean of its divisors is an integer number (2401221).

Almost surely, 2^8004065 is an apocalyptic number.

It is an amenable number.

8004065 is a deficient number, since it is larger than the sum of its proper divisors (1600819).

8004065 is a wasteful number, since it uses less digits than its factorization.

8004065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600818.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 8004065 is about 2829.1456307514. The cubic root of 8004065 is about 200.0338692640.

The spelling of 8004065 in words is "eight million, four thousand, sixty-five".