323985 has 8 divisors (see below), whose sum is σ = 518400. Its totient is φ = 172784.

The previous prime is 323957. The next prime is 323987. The reversal of 323985 is 589323.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323985 - 2⁹ = 323473 is a prime.

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 323985.

It is not an unprimeable number, because it can be changed into a prime (323987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10785 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2³²³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

323985 is a deficient number, since it is larger than the sum of its proper divisors (194415).

323985 is a wasteful number, since it uses less digits than its factorization.

323985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21607.

The product of its digits is 6480, while the sum is 30.

The square root of 323985 is about 569.1968025209. The cubic root of 323985 is about 68.6817946162.

The spelling of 323985 in words is "three hundred twenty-three thousand, nine hundred eighty-five".