506878 has 4 divisors (see below), whose sum is σ = 760320. Its totient is φ = 253438.

The previous prime is 506873. The next prime is 506887. The reversal of 506878 is 878605.

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

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 polite number, since it can be written as a sum of consecutive naturals, namely, 126718 + ... + 126721.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

2⁵⁰⁶⁸⁷⁸ is an apocalyptic number.

506878 is a deficient number, since it is larger than the sum of its proper divisors (253442).

506878 is a wasteful number, since it uses less digits than its factorization.

506878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253441.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 506878 is about 711.9536501768. The cubic root of 506878 is about 79.7323346059.

The spelling of 506878 in words is "five hundred six thousand, eight hundred seventy-eight".