512216 has 16 divisors (see below), whose sum is σ = 983400. Its totient is φ = 249984.

The previous prime is 512207. The next prime is 512249. The reversal of 512216 is 612215.

It is a junction number, because it is equal to n+sod(n) for n = 512194 and 512203.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 512216.

It is an unprimeable number.

512216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401 + ... + 1088.

2⁵¹²²¹⁶ is an apocalyptic number.

It is an amenable number.

512216 is a deficient number, since it is larger than the sum of its proper divisors (471184).

512216 is a wasteful number, since it uses less digits than its factorization.

512216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1534 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 512216 is about 715.6926714729. The cubic root of 512216 is about 80.0112484183.

Subtracting 512216 from its reverse (612215), we obtain a palindrome (99999).

It can be divided in two parts, 512 and 216, that multiplied together give a cube (110592 = 48³).

The spelling of 512216 in words is "five hundred twelve thousand, two hundred sixteen".