512866 has 8 divisors (see below), whose sum is σ = 772560. Its totient is φ = 255348.

The previous prime is 512849. The next prime is 512891. The reversal of 512866 is 668215.

512866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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 in 3 ways as a sum of consecutive naturals, for example, 325 + ... + 1063.

It is an arithmetic number, because the mean of its divisors is an integer number (96570).

2⁵¹²⁸⁶⁶ is an apocalyptic number.

512866 is a deficient number, since it is larger than the sum of its proper divisors (259694).

512866 is a wasteful number, since it uses less digits than its factorization.

512866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088.

The product of its digits is 2880, while the sum is 28.

The square root of 512866 is about 716.1466330299. The cubic root of 512866 is about 80.0450787607.

It can be divided in two parts, 512 and 866, that added together give a triangular number (1378 = T₅₂).

The spelling of 512866 in words is "five hundred twelve thousand, eight hundred sixty-six".