506741839 has 4 divisors (see below), whose sum is σ = 513879120. Its totient is φ = 499604560.

The previous prime is 506741821. The next prime is 506741843. The reversal of 506741839 is 938147605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506741839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506741795 and 506741804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506741869) 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, 3568534 + ... + 3568675.

It is an arithmetic number, because the mean of its divisors is an integer number (128469780).

Almost surely, 2^506741839 is an apocalyptic number.

506741839 is a deficient number, since it is larger than the sum of its proper divisors (7137281).

506741839 is an equidigital number, since it uses as much as digits as its factorization.

506741839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7137280.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 506741839 is about 22510.9271021875. The cubic root of 506741839 is about 797.2519455337.

The spelling of 506741839 in words is "five hundred six million, seven hundred forty-one thousand, eight hundred thirty-nine".