5139843 has 4 divisors (see below), whose sum is σ = 6853128. Its totient is φ = 3426560.

The previous prime is 5139821. The next prime is 5139859. The reversal of 5139843 is 3489315.

5139843 is digitally balanced in base 4, 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 cyclic number.

It is not a de Polignac number, because 5139843 - 2⁵ = 5139811 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5139863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856638 + ... + 856643.

It is an arithmetic number, because the mean of its divisors is an integer number (1713282).

Almost surely, 2^5139843 is an apocalyptic number.

5139843 is a deficient number, since it is larger than the sum of its proper divisors (1713285).

5139843 is a wasteful number, since it uses less digits than its factorization.

5139843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713284.

The product of its digits is 12960, while the sum is 33.

The square root of 5139843 is about 2267.1221846208. The cubic root of 5139843 is about 172.5771467571.

The spelling of 5139843 in words is "five million, one hundred thirty-nine thousand, eight hundred forty-three".