3746644 has 18 divisors (see below), whose sum is σ = 7207802. Its totient is φ = 1702800.

The previous prime is 3746641. The next prime is 3746651. The reversal of 3746644 is 4466473.

3746644 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 only one way, i.e., 2722500 + 1024144 = 1650^2 + 1012^2 .

It is a d-powerful number, because it can be written as 3¹³ + 7⁷ + 4 + 6 + 6⁷ + 4⁴ + 4¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3746641) 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 5 ways as a sum of consecutive naturals, for example, 3387 + ... + 4354.

Almost surely, 2^3746644 is an apocalyptic number.

It is an amenable number.

3746644 is a deficient number, since it is larger than the sum of its proper divisors (3461158).

3746644 is a wasteful number, since it uses less digits than its factorization.

3746644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767 (or 7754 counting only the distinct ones).

The product of its digits is 48384, while the sum is 34.

The square root of 3746644 is about 1935.6249636745. The cubic root of 3746644 is about 155.3152653662.

It can be divided in two parts, 3 and 746644, that added together give a palindrome (746647).

The spelling of 3746644 in words is "three million, seven hundred forty-six thousand, six hundred forty-four".