3644282 has 8 divisors (see below), whose sum is σ = 5520852. Its totient is φ = 1804000.

The previous prime is 3644279. The next prime is 3644297. The reversal of 3644282 is 2824463.

It is a Cunningham number, because it is equal to 1909²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 3644281 + 1 = 1909^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 8819 + ... + 9222.

Almost surely, 2^3644282 is an apocalyptic number.

3644282 is a deficient number, since it is larger than the sum of its proper divisors (1876570).

3644282 is a wasteful number, since it uses less digits than its factorization.

3644282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18144.

The product of its digits is 9216, while the sum is 29.

The square root of 3644282 is about 1909.0002619172. Note that the first 3 decimals coincide. The cubic root of 3644282 is about 153.8877294943.

The spelling of 3644282 in words is "three million, six hundred forty-four thousand, two hundred eighty-two".