321248 has 12 divisors (see below), whose sum is σ = 632520. Its totient is φ = 160608.

The previous prime is 321247. The next prime is 321289. The reversal of 321248 is 842123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4988 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (52710).

2³²¹²⁴⁸ is an apocalyptic number.

It is an amenable number.

321248 is a deficient number, since it is larger than the sum of its proper divisors (311272).

321248 is a wasteful number, since it uses less digits than its factorization.

321248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10049 (or 10041 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 321248 is about 566.7874381106. The cubic root of 321248 is about 68.4878412717.

The spelling of 321248 in words is "three hundred twenty-one thousand, two hundred forty-eight".