506879 has 4 divisors (see below), whose sum is σ = 509376. Its totient is φ = 504384.

The previous prime is 506873. The next prime is 506887. The reversal of 506879 is 978605.

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-506879 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (127344).

2⁵⁰⁶⁸⁷⁹ is an apocalyptic number.

506879 is a deficient number, since it is larger than the sum of its proper divisors (2497).

506879 is a wasteful number, since it uses less digits than its factorization.

506879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 506879 is about 711.9543524693. The cubic root of 506879 is about 79.7323870395.

The spelling of 506879 in words is "five hundred six thousand, eight hundred seventy-nine".