516866 has 8 divisors (see below), whose sum is σ = 886080. Its totient is φ = 221508.

The previous prime is 516847. The next prime is 516871. The reversal of 516866 is 668615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18446 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (110760).

2⁵¹⁶⁸⁶⁶ is an apocalyptic number.

516866 is a deficient number, since it is larger than the sum of its proper divisors (369214).

516866 is a wasteful number, since it uses less digits than its factorization.

516866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36928.

The product of its digits is 8640, while the sum is 32.

The square root of 516866 is about 718.9339329869. The cubic root of 516866 is about 80.2526388304.

The spelling of 516866 in words is "five hundred sixteen thousand, eight hundred sixty-six".