3876644 has 12 divisors (see below), whose sum is σ = 6828444. Its totient is φ = 1925664.

The previous prime is 3876641. The next prime is 3876659. The reversal of 3876644 is 4466783.

It is a happy number.

3876644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 3467044 = 640^2 + 1862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3876598 and 3876607.

It is not an unprimeable number, because it can be changed into a prime (3876641) 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 3 ways as a sum of consecutive naturals, for example, 2459 + ... + 3714.

It is an arithmetic number, because the mean of its divisors is an integer number (569037).

Almost surely, 2^3876644 is an apocalyptic number.

It is an amenable number.

3876644 is a deficient number, since it is larger than the sum of its proper divisors (2951800).

3876644 is a wasteful number, since it uses less digits than its factorization.

3876644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6334 (or 6332 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 3876644 is about 1968.9195006399. The cubic root of 3876644 is about 157.0912420803.

The spelling of 3876644 in words is "three million, eight hundred seventy-six thousand, six hundred forty-four".