3644322 has 16 divisors (see below), whose sum is σ = 7951392. Its totient is φ = 1104320.

The previous prime is 3644321. The next prime is 3644339. The reversal of 3644322 is 2234463.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3644292 and 3644301.

It is not an unprimeable number, because it can be changed into a prime (3644321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27543 + ... + 27674.

It is an arithmetic number, because the mean of its divisors is an integer number (496962).

Almost surely, 2^3644322 is an apocalyptic number.

3644322 is an abundant number, since it is smaller than the sum of its proper divisors (4307070).

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

3644322 is a wasteful number, since it uses less digits than its factorization.

3644322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55233.

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

The square root of 3644322 is about 1909.0107385764. The cubic root of 3644322 is about 153.8882925212. Note that the first 3 decimals are identical.

Adding to 3644322 its reverse (2234463), we get a palindrome (5878785).

The spelling of 3644322 in words is "three million, six hundred forty-four thousand, three hundred twenty-two".