5239939 has 4 divisors (see below), whose sum is σ = 5244624. Its totient is φ = 5235256.

The previous prime is 5239931. The next prime is 5239943. The reversal of 5239939 is 9399325.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5239939 - 2³ = 5239931 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5239931) 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, 429 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (1311156).

Almost surely, 2^5239939 is an apocalyptic number.

5239939 is a deficient number, since it is larger than the sum of its proper divisors (4685).

5239939 is a wasteful number, since it uses less digits than its factorization.

5239939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684.

The product of its digits is 65610, while the sum is 40.

The square root of 5239939 is about 2289.0913044263. The cubic root of 5239939 is about 173.6902380603.

The spelling of 5239939 in words is "five million, two hundred thirty-nine thousand, nine hundred thirty-nine".