321064 has 16 divisors (see below), whose sum is σ = 612000. Its totient is φ = 157872.

The previous prime is 321053. The next prime is 321073. The reversal of 321064 is 460123.

It is a congruent number.

It is an unprimeable number.

321064 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 3 ways as a sum of consecutive naturals, for example, 237 + ... + 835.

It is an arithmetic number, because the mean of its divisors is an integer number (38250).

2³²¹⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

321064 is a deficient number, since it is larger than the sum of its proper divisors (290936).

321064 is a wasteful number, since it uses less digits than its factorization.

321064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 668 counting only the distinct ones).

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

The square root of 321064 is about 566.6250965144. The cubic root of 321064 is about 68.4747629340.

Adding to 321064 its reverse (460123), we get a palindrome (781187).

The spelling of 321064 in words is "three hundred twenty-one thousand, sixty-four".