320548 has 12 divisors (see below), whose sum is σ = 566272. Its totient is φ = 158760.

The previous prime is 320539. The next prime is 320561. The reversal of 320548 is 845023.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

320548 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193 + ... + 823.

2³²⁰⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

320548 is a deficient number, since it is larger than the sum of its proper divisors (245724).

320548 is a wasteful number, since it uses less digits than its factorization.

320548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 320548 is about 566.1695859016. The cubic root of 320548 is about 68.4380600512.

It can be divided in two parts, 320 and 548, that added together give a palindrome (868).

The spelling of 320548 in words is "three hundred twenty thousand, five hundred forty-eight".