8040005 has 8 divisors (see below), whose sum is σ = 9959424. Its totient is φ = 6224400.

The previous prime is 8039987. The next prime is 8040013. The reversal of 8040005 is 5000408.

8040005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8040005 - 2⁸ = 8039749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25781 + ... + 26090.

It is an arithmetic number, because the mean of its divisors is an integer number (1244928).

Almost surely, 2^8040005 is an apocalyptic number.

It is an amenable number.

8040005 is a deficient number, since it is larger than the sum of its proper divisors (1919419).

8040005 is a wasteful number, since it uses less digits than its factorization.

8040005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51907.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 8040005 is about 2835.4902574334. The cubic root of 8040005 is about 200.3328208442.

The spelling of 8040005 in words is "eight million, forty thousand, five".