512646 has 16 divisors (see below), whose sum is σ = 1049664. Its totient is φ = 166824.

The previous prime is 512641. The next prime is 512657. The reversal of 512646 is 646215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736 + ... + 1251.

It is an arithmetic number, because the mean of its divisors is an integer number (65604).

2⁵¹²⁶⁴⁶ is an apocalyptic number.

512646 is an abundant number, since it is smaller than the sum of its proper divisors (537018).

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

512646 is a wasteful number, since it uses less digits than its factorization.

512646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035.

The product of its digits is 1440, while the sum is 24.

The square root of 512646 is about 715.9930167257. The cubic root of 512646 is about 80.0336316927.

The spelling of 512646 in words is "five hundred twelve thousand, six hundred forty-six".