3126216 has 16 divisors (see below), whose sum is σ = 7815600. Its totient is φ = 1042064.

The previous prime is 3126199. The next prime is 3126223. The reversal of 3126216 is 6126213.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3126192 and 3126201.

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, 65106 + ... + 65153.

It is an arithmetic number, because the mean of its divisors is an integer number (488475).

Almost surely, 2^3126216 is an apocalyptic number.

It is an amenable number.

3126216 is an abundant number, since it is smaller than the sum of its proper divisors (4689384).

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

3126216 is a wasteful number, since it uses less digits than its factorization.

3126216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130268 (or 130264 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

The square root of 3126216 is about 1768.1108562531. The cubic root of 3126216 is about 146.2198476812.

The spelling of 3126216 in words is "three million, one hundred twenty-six thousand, two hundred sixteen".