324389 has 4 divisors (see below), whose sum is σ = 349356. Its totient is φ = 299424.

The previous prime is 324361. The next prime is 324391. The reversal of 324389 is 983423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136900 + 187489 = 370^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 324389 - 2¹² = 320293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 324389.

It is not an unprimeable number, because it can be changed into a prime (324319) 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, 12464 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (87339).

2³²⁴³⁸⁹ is an apocalyptic number.

It is an amenable number.

324389 is a deficient number, since it is larger than the sum of its proper divisors (24967).

324389 is a wasteful number, since it uses less digits than its factorization.

324389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24966.

The product of its digits is 5184, while the sum is 29.

The square root of 324389 is about 569.5515779980. The cubic root of 324389 is about 68.7103308341.

The spelling of 324389 in words is "three hundred twenty-four thousand, three hundred eighty-nine".