3644449 has 8 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 3516960.

The previous prime is 3644437. The next prime is 3644479. The reversal of 3644449 is 9444463.

It is a happy number.

3644449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3644449 - 2⁷ = 3644321 is a prime.

It is a Duffinian number.

3644449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3644479) 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 7 ways as a sum of consecutive naturals, for example, 3792 + ... + 4654.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 2^3644449 is an apocalyptic number.

It is an amenable number.

3644449 is a deficient number, since it is larger than the sum of its proper divisors (129503).

3644449 is a wasteful number, since it uses less digits than its factorization.

3644449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its digits is 41472, while the sum is 34.

The square root of 3644449 is about 1909.0440015882. The cubic root of 3644449 is about 153.8900801044.

The spelling of 3644449 in words is "three million, six hundred forty-four thousand, four hundred forty-nine".