320838 has 16 divisors (see below), whose sum is σ = 733440. Its totient is φ = 91656.

The previous prime is 320833. The next prime is 320839. The reversal of 320838 is 838023.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320838.

It is not an unprimeable number, because it can be changed into a prime (320833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3778 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (45840).

2³²⁰⁸³⁸ is an apocalyptic number.

320838 is an abundant number, since it is smaller than the sum of its proper divisors (412602).

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

320838 is a wasteful number, since it uses less digits than its factorization.

320838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 320838 is about 566.4256350131. The cubic root of 320838 is about 68.4586924840.

The spelling of 320838 in words is "three hundred twenty thousand, eight hundred thirty-eight".