506786 has 16 divisors (see below), whose sum is σ = 886464. Its totient is φ = 212784.

The previous prime is 506783. The next prime is 506791. The reversal of 506786 is 687605.

It is not an unprimeable number, because it can be changed into a prime (506783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401 + ... + 1083.

It is an arithmetic number, because the mean of its divisors is an integer number (55404).

2⁵⁰⁶⁷⁸⁶ is an apocalyptic number.

506786 is a deficient number, since it is larger than the sum of its proper divisors (379678).

506786 is a wasteful number, since it uses less digits than its factorization.

506786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 506786 is about 711.8890362971. The cubic root of 506786 is about 79.7275104216.

The spelling of 506786 in words is "five hundred six thousand, seven hundred eighty-six".