3866916 has 12 divisors (see below), whose sum is σ = 9022832. Its totient is φ = 1288968.

The previous prime is 3866911. The next prime is 3866917. The reversal of 3866916 is 6196683.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3866911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161110 + ... + 161133.

Almost surely, 2^3866916 is an apocalyptic number.

It is an amenable number.

3866916 is an abundant number, since it is smaller than the sum of its proper divisors (5155916).

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

3866916 is a wasteful number, since it uses less digits than its factorization.

3866916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322250 (or 322248 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 3866916 is about 1966.4475584159. The cubic root of 3866916 is about 156.9597311088.

The spelling of 3866916 in words is "three million, eight hundred sixty-six thousand, nine hundred sixteen".