3644304 has 40 divisors (see below), whose sum is σ = 9826752. Its totient is φ = 1161600.

The previous prime is 3644297. The next prime is 3644309. The reversal of 3644304 is 4034463.

3644304 = 387² + 388² + ... + 409².

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3644309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 2754.

Almost surely, 2^3644304 is an apocalyptic number.

It is an amenable number.

3644304 is an abundant number, since it is smaller than the sum of its proper divisors (6182448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3644304 is a wasteful number, since it uses less digits than its factorization.

3644304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335 (or 3329 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3644304 is about 1909.0060240869. The cubic root of 3644304 is about 153.8880391596. Note that the first 3 decimals are identical.

Adding to 3644304 its reverse (4034463), we get a palindrome (7678767).

The spelling of 3644304 in words is "three million, six hundred forty-four thousand, three hundred four".