3678216 has 16 divisors (see below), whose sum is σ = 9195600. Its totient is φ = 1226064.

The previous prime is 3678211. The next prime is 3678217. The reversal of 3678216 is 6128763.

It is not an unprimeable number, because it can be changed into a prime (3678211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76606 + ... + 76653.

It is an arithmetic number, because the mean of its divisors is an integer number (574725).

Almost surely, 2^3678216 is an apocalyptic number.

It is an amenable number.

3678216 is an abundant number, since it is smaller than the sum of its proper divisors (5517384).

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

3678216 is a wasteful number, since it uses less digits than its factorization.

3678216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153268 (or 153264 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 3678216 is about 1917.8675658137. The cubic root of 3678216 is about 154.3639002111.

The spelling of 3678216 in words is "three million, six hundred seventy-eight thousand, two hundred sixteen".