506816 has 14 divisors (see below), whose sum is σ = 1005840. Its totient is φ = 253376.

The previous prime is 506809. The next prime is 506837. The reversal of 506816 is 618605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3896 + ... + 4023.

2⁵⁰⁶⁸¹⁶ is an apocalyptic number.

It is an amenable number.

506816 is a deficient number, since it is larger than the sum of its proper divisors (499024).

506816 is an equidigital number, since it uses as much as digits as its factorization.

506816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931 (or 7921 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 506816 is about 711.9101066848. The cubic root of 506816 is about 79.7290835894.

The spelling of 506816 in words is "five hundred six thousand, eight hundred sixteen".