3782644 has 12 divisors (see below), whose sum is σ = 6848100. Its totient is φ = 1826048.

The previous prime is 3782629. The next prime is 3782657. The reversal of 3782644 is 4462873.

3782644 is digitally balanced in base 5, 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 2250000 + 1532644 = 1500^2 + 1238^2 .

It is a d-powerful number, because it can be written as 3⁷ + 7⁴ + 8 + 2²¹ + 6⁸ + 4⁴ + 4⁵ .

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, 16189 + ... + 16420.

It is an arithmetic number, because the mean of its divisors is an integer number (570675).

Almost surely, 2^3782644 is an apocalyptic number.

It is an amenable number.

3782644 is a deficient number, since it is larger than the sum of its proper divisors (3065456).

3782644 is a wasteful number, since it uses less digits than its factorization.

3782644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32642 (or 32640 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 3782644 is about 1944.9020540891. The cubic root of 3782644 is about 155.8111345758.

The spelling of 3782644 in words is "three million, seven hundred eighty-two thousand, six hundred forty-four".