321834 has 8 divisors (see below), whose sum is σ = 643680. Its totient is φ = 107276.

The previous prime is 321833. The next prime is 321847. The reversal of 321834 is 438123.

It is a happy number.

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

321834 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 321834.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321834.

It is not an unprimeable number, because it can be changed into a prime (321833) 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, 26814 + ... + 26825.

It is an arithmetic number, because the mean of its divisors is an integer number (80460).

2³²¹⁸³⁴ is an apocalyptic number.

321834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321834 is a wasteful number, since it uses less digits than its factorization.

321834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53644.

The product of its digits is 576, while the sum is 21.

The square root of 321834 is about 567.3041512275. The cubic root of 321834 is about 68.5294596854.

Adding to 321834 its reverse (438123), we get a palindrome (759957).

The spelling of 321834 in words is "three hundred twenty-one thousand, eight hundred thirty-four".