3843644 has 12 divisors (see below), whose sum is σ = 7687344. Its totient is φ = 1647264.

The previous prime is 3843629. The next prime is 3843661. The reversal of 3843644 is 4463483.

3843644 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

3843644 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 3² + 8⁷ + 4³ + 3⁵ + 6⁸ + 4⁵ + 4⁸ .

3843644 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 3843644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68609 + ... + 68664.

It is an arithmetic number, because the mean of its divisors is an integer number (640612).

Almost surely, 2^3843644 is an apocalyptic number.

It is an amenable number.

3843644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3843644 is a wasteful number, since it uses less digits than its factorization.

3843644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137284 (or 137282 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 3843644 is about 1960.5213592308. The cubic root of 3843644 is about 156.6442239368.

The spelling of 3843644 in words is "three million, eight hundred forty-three thousand, six hundred forty-four".