321460 has 12 divisors (see below), whose sum is σ = 675108. Its totient is φ = 128576.

The previous prime is 321449. The next prime is 321467. The reversal of 321460 is 64123.

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 236196 = 292^2 + 486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321467) by changing a digit.

321460 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8017 + ... + 8056.

It is an arithmetic number, because the mean of its divisors is an integer number (56259).

2³²¹⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

321460 is an abundant number, since it is smaller than the sum of its proper divisors (353648).

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

321460 is a wasteful number, since it uses less digits than its factorization.

321460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16082 (or 16080 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 321460 is about 566.9744262310. The cubic root of 321460 is about 68.5029036011.

Adding to 321460 its reverse (64123), we get a palindrome (385583).

The spelling of 321460 in words is "three hundred twenty-one thousand, four hundred sixty".