512836 has 12 divisors (see below), whose sum is σ = 928620. Its totient is φ = 247520.

The previous prime is 512821. The next prime is 512843. The reversal of 512836 is 638215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 160000 = 594^2 + 400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 512836.

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, 2095 + ... + 2326.

It is an arithmetic number, because the mean of its divisors is an integer number (77385).

2⁵¹²⁸³⁶ is an apocalyptic number.

It is an amenable number.

512836 is a deficient number, since it is larger than the sum of its proper divisors (415784).

512836 is a wasteful number, since it uses less digits than its factorization.

512836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454 (or 4452 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 512836 is about 716.1256872924. The cubic root of 512836 is about 80.0435179897.

The spelling of 512836 in words is "five hundred twelve thousand, eight hundred thirty-six".