512868 has 24 divisors (see below), whose sum is σ = 1214080. Its totient is φ = 168480.

The previous prime is 512849. The next prime is 512891. The reversal of 512868 is 868215.

512868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

512868 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 678 + ... + 1218.

2⁵¹²⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

512868 is an abundant number, since it is smaller than the sum of its proper divisors (701212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

512868 is a wasteful number, since it uses less digits than its factorization.

512868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 625 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 512868 is about 716.1480293906. The cubic root of 512868 is about 80.0451828100.

The spelling of 512868 in words is "five hundred twelve thousand, eight hundred sixty-eight".