5039943 has 4 divisors (see below), whose sum is σ = 6719928. Its totient is φ = 3359960.

The previous prime is 5039933. The next prime is 5039953. The reversal of 5039943 is 3499305.

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

It is an interprime number because it is at equal distance from previous prime (5039933) and next prime (5039953).

It is a cyclic number.

It is not a de Polignac number, because 5039943 - 2⁵ = 5039911 is a prime.

It is a D-number.

5039943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5039933) 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, 839988 + ... + 839993.

It is an arithmetic number, because the mean of its divisors is an integer number (1679982).

Almost surely, 2^5039943 is an apocalyptic number.

5039943 is a deficient number, since it is larger than the sum of its proper divisors (1679985).

5039943 is a wasteful number, since it uses less digits than its factorization.

5039943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679984.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 5039943 is about 2244.9817371195. The cubic root of 5039943 is about 171.4517312956.

It can be divided in two parts, 50 and 39943, that added together give a palindrome (39993).

The spelling of 5039943 in words is "five million, thirty-nine thousand, nine hundred forty-three".