324644 has 12 divisors (see below), whose sum is σ = 572124. Its totient is φ = 161184.

The previous prime is 324641. The next prime is 324647. The reversal of 324644 is 446423.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (324641) and next prime (324647).

It can be written as a sum of positive squares in 2 ways, for example, as 193600 + 131044 = 440^2 + 362^2 .

It is not an unprimeable number, because it can be changed into a prime (324641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (47677).

2³²⁴⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

324644 is a deficient number, since it is larger than the sum of its proper divisors (247480).

324644 is a wasteful number, since it uses less digits than its factorization.

324644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 572 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 324644 is about 569.7753943441. The cubic root of 324644 is about 68.7283303606.

The spelling of 324644 in words is "three hundred twenty-four thousand, six hundred forty-four".