8109039 has 4 divisors (see below), whose sum is σ = 10812056. Its totient is φ = 5406024.

The previous prime is 8109007. The next prime is 8109061. The reversal of 8109039 is 9309018.

It is a happy number.

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

It is not a de Polignac number, because 8109039 - 2⁵ = 8109007 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 8108997 and 8109015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8109089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351504 + ... + 1351509.

It is an arithmetic number, because the mean of its divisors is an integer number (2703014).

Almost surely, 2^8109039 is an apocalyptic number.

8109039 is a deficient number, since it is larger than the sum of its proper divisors (2703017).

8109039 is a wasteful number, since it uses less digits than its factorization.

8109039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703016.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 8109039 is about 2847.6374418103. The cubic root of 8109039 is about 200.9045610124.

The spelling of 8109039 in words is "eight million, one hundred nine thousand, thirty-nine".