3655744 has 21 divisors (see below), whose sum is σ = 7284847. Its totient is φ = 1820224.

The previous prime is 3655741. The next prime is 3655747. The reversal of 3655744 is 4475563.

It is a happy number.

The square root of 3655744 is 1912.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (3655741) and next prime (3655747).

It is a d-powerful number, because it can be written as 3⁸ + 6⁸ + 5 + 5⁹ + 7² + 4 + 4⁷ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3655741) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15177 + ... + 15415.

Almost surely, 2^3655744 is an apocalyptic number.

3655744 is the 1912-nd square number.

It is an amenable number.

3655744 is a deficient number, since it is larger than the sum of its proper divisors (3629103).

3655744 is an frugal number, since it uses more digits than its factorization.

3655744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 241 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The cubic root of 3655744 is about 154.0488966000.

The spelling of 3655744 in words is "three million, six hundred fifty-five thousand, seven hundred forty-four".