3843666 has 64 divisors (see below), whose sum is σ = 9331200. Its totient is φ = 1168128.

The previous prime is 3843661. The next prime is 3843677. The reversal of 3843666 is 6663483.

3843666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 3 + 8⁷ + 4⁸ + 3³ + 6² + 6⁴ + 6⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 3843666.

It is not an unprimeable number, because it can be changed into a prime (3843661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48615 + ... + 48693.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

Almost surely, 2^3843666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3843666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4665600).

3843666 is an abundant number, since it is smaller than the sum of its proper divisors (5487534).

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

3843666 is a wasteful number, since it uses less digits than its factorization.

3843666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 154 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 3843666 is about 1960.5269699752. The cubic root of 3843666 is about 156.6445227995.

The spelling of 3843666 in words is "three million, eight hundred forty-three thousand, six hundred sixty-six".