321348 has 24 divisors (see below), whose sum is σ = 763840. Its totient is φ = 105120.

The previous prime is 321341. The next prime is 321359. The reversal of 321348 is 843123.

It is a happy number.

It is an Ulam number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (321341) by changing a digit.

321348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513 + ... + 951.

2³²¹³⁴⁸ is an apocalyptic number.

It is an amenable number.

321348 is an abundant number, since it is smaller than the sum of its proper divisors (442492).

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

321348 is a wasteful number, since it uses less digits than its factorization.

321348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 505 counting only the distinct ones).

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

The square root of 321348 is about 566.8756477394. The cubic root of 321348 is about 68.4949469695.

The spelling of 321348 in words is "three hundred twenty-one thousand, three hundred forty-eight".