320238 has 12 divisors (see below), whose sum is σ = 693888. Its totient is φ = 106740.

The previous prime is 320237. The next prime is 320239. The reversal of 320238 is 832023.

320238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (320237) and next prime (320239).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 17791 = 320238 / (3 + 2 + 0 + 2 + 3 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320237) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8878 + ... + 8913.

It is an arithmetic number, because the mean of its divisors is an integer number (57824).

2³²⁰²³⁸ is an apocalyptic number.

320238 is an abundant number, since it is smaller than the sum of its proper divisors (373650).

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

320238 is a wasteful number, since it uses less digits than its factorization.

320238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17799 (or 17796 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 320238 is about 565.8957501166. The cubic root of 320238 is about 68.4159909263.

It can be divided in two parts, 3202 and 38, that added together give a triangular number (3240 = T₈₀).

The spelling of 320238 in words is "three hundred twenty thousand, two hundred thirty-eight".