324289 has 4 divisors (see below), whose sum is σ = 370624. Its totient is φ = 277956.

The previous prime is 324251. The next prime is 324293. The reversal of 324289 is 982423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 982423 = 13 ⋅75571.

It is not a de Polignac number, because 324289 - 2⁷ = 324161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324209) 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, 23157 + ... + 23170.

It is an arithmetic number, because the mean of its divisors is an integer number (92656).

2³²⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

324289 is a deficient number, since it is larger than the sum of its proper divisors (46335).

324289 is an equidigital number, since it uses as much as digits as its factorization.

324289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46334.

The product of its digits is 3456, while the sum is 28.

The square root of 324289 is about 569.4637828695. The cubic root of 324289 is about 68.7032696213.

It can be divided in two parts, 324 and 289, that multiplied together give a square (93636 = 306²).

The spelling of 324289 in words is "three hundred twenty-four thousand, two hundred eighty-nine".