3866912 has 48 divisors (see below), whose sum is σ = 8874432. Its totient is φ = 1624320.

The previous prime is 3866911. The next prime is 3866917. The reversal of 3866912 is 2196683.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13523 + ... + 13805.

It is an arithmetic number, because the mean of its divisors is an integer number (184884).

Almost surely, 2^3866912 is an apocalyptic number.

3866912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3866912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4437216).

3866912 is an abundant number, since it is smaller than the sum of its proper divisors (5007520).

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

3866912 is a wasteful number, since it uses less digits than its factorization.

3866912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 353 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 3866912 is about 1966.4465413532. The cubic root of 3866912 is about 156.9596769882.

The spelling of 3866912 in words is "three million, eight hundred sixty-six thousand, nine hundred twelve".