323644 has 6 divisors (see below), whose sum is σ = 566384. Its totient is φ = 161820.

The previous prime is 323641. The next prime is 323647. The reversal of 323644 is 446323.

It is an interprime number because it is at equal distance from previous prime (323641) and next prime (323647).

It is a d-powerful number, because it can be written as 3⁷ + 2 + 6 + 3¹⁰ + 4⁴ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40452 + ... + 40459.

2³²³⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

323644 is a deficient number, since it is larger than the sum of its proper divisors (242740).

323644 is a wasteful number, since it uses less digits than its factorization.

323644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80915 (or 80913 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 323644 is about 568.8971787590. The cubic root of 323644 is about 68.6576898855.

Adding to 323644 its reverse (446323), we get a palindrome (769967).

The spelling of 323644 in words is "three hundred twenty-three thousand, six hundred forty-four".