3143216 has 20 divisors (see below), whose sum is σ = 6135024. Its totient is φ = 1560000.

The previous prime is 3143209. The next prime is 3143243. The reversal of 3143216 is 6123413.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1766 + ... + 3066.

Almost surely, 2^3143216 is an apocalyptic number.

It is an amenable number.

3143216 is a deficient number, since it is larger than the sum of its proper divisors (2991808).

3143216 is a wasteful number, since it uses less digits than its factorization.

3143216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1454 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 3143216 is about 1772.9117293312. The cubic root of 3143216 is about 146.4844108950.

Adding to 3143216 its reverse (6123413), we get a palindrome (9266629).

The spelling of 3143216 in words is "three million, one hundred forty-three thousand, two hundred sixteen".