321814 has 4 divisors (see below), whose sum is σ = 482724. Its totient is φ = 160906.

The previous prime is 321799. The next prime is 321817. The reversal of 321814 is 418123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 418123 = 317 ⋅1319.

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

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 321791 and 321800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80452 + ... + 80455.

It is an arithmetic number, because the mean of its divisors is an integer number (120681).

2³²¹⁸¹⁴ is an apocalyptic number.

321814 is a deficient number, since it is larger than the sum of its proper divisors (160910).

321814 is a wasteful number, since it uses less digits than its factorization.

321814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160909.

The product of its digits is 192, while the sum is 19.

The square root of 321814 is about 567.2865237250. The cubic root of 321814 is about 68.5280400948.

Adding to 321814 its reverse (418123), we get a palindrome (739937).

The spelling of 321814 in words is "three hundred twenty-one thousand, eight hundred fourteen".