8713939 has 4 divisors (see below), whose sum is σ = 9384256. Its totient is φ = 8043624.

The previous prime is 8713933. The next prime is 8713961. The reversal of 8713939 is 9393178.

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

It is a cyclic number.

It is not a de Polignac number, because 8713939 - 2³ = 8713931 is a prime.

It is a Duffinian number.

8713939 is a modest number, since divided by 3939 gives 871 as remainder.

It is not an unprimeable number, because it can be changed into a prime (8713931) 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, 335139 + ... + 335164.

It is an arithmetic number, because the mean of its divisors is an integer number (2346064).

Almost surely, 2^8713939 is an apocalyptic number.

8713939 is a deficient number, since it is larger than the sum of its proper divisors (670317).

8713939 is a wasteful number, since it uses less digits than its factorization.

8713939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670316.

The product of its digits is 40824, while the sum is 40.

The square root of 8713939 is about 2951.9381768594. The cubic root of 8713939 is about 205.7807939394.

It can be divided in two parts, 87139 and 39, that added together give a palindrome (87178).

The spelling of 8713939 in words is "eight million, seven hundred thirteen thousand, nine hundred thirty-nine".