8394939 has 12 divisors (see below), whose sum is σ = 13858416. Its totient is φ = 4797072.

The previous prime is 8394917. The next prime is 8394943. The reversal of 8394939 is 9394938.

It is not a de Polignac number, because 8394939 - 2⁵ = 8394907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8394894 and 8394903.

It is not an unprimeable number, because it can be changed into a prime (8394439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66564 + ... + 66689.

It is an arithmetic number, because the mean of its divisors is an integer number (1154868).

Almost surely, 2^8394939 is an apocalyptic number.

8394939 is a deficient number, since it is larger than the sum of its proper divisors (5463477).

8394939 is a wasteful number, since it uses less digits than its factorization.

8394939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133266 (or 133263 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 8394939 is about 2897.4021122378. The cubic root of 8394939 is about 203.2384379075.

Subtracting 8394939 from its reverse (9394938), we obtain a palindrome (999999).

It can be divided in two parts, 839 and 4939, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 8394939 in words is "eight million, three hundred ninety-four thousand, nine hundred thirty-nine".