3894216 has 32 divisors (see below), whose sum is σ = 9794400. Its totient is φ = 1290240.

The previous prime is 3894211. The next prime is 3894217. The reversal of 3894216 is 6124983.

It is not an unprimeable number, because it can be changed into a prime (3894211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4680 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (306075).

Almost surely, 2^3894216 is an apocalyptic number.

It is an amenable number.

3894216 is an abundant number, since it is smaller than the sum of its proper divisors (5900184).

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

3894216 is a wasteful number, since it uses less digits than its factorization.

3894216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 985 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 3894216 is about 1973.3768013231. The cubic root of 3894216 is about 157.3282380488.

The spelling of 3894216 in words is "three million, eight hundred ninety-four thousand, two hundred sixteen".