8009939 has 4 divisors (see below), whose sum is σ = 9154224. Its totient is φ = 6865656.

The previous prime is 8009929. The next prime is 8009951. The reversal of 8009939 is 9399008.

8009939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-8009939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8009929) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 572132 + ... + 572145.

It is an arithmetic number, because the mean of its divisors is an integer number (2288556).

Almost surely, 2^8009939 is an apocalyptic number.

8009939 is a deficient number, since it is larger than the sum of its proper divisors (1144285).

8009939 is a wasteful number, since it uses less digits than its factorization.

8009939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144284.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 8009939 is about 2830.1835629514. The cubic root of 8009939 is about 200.0827907238.

The spelling of 8009939 in words is "eight million, nine thousand, nine hundred thirty-nine".