320380 has 24 divisors (see below), whose sum is σ = 684432. Its totient is φ = 125952.

The previous prime is 320377. The next prime is 320387. The reversal of 320380 is 83023.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320387) 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 7 ways as a sum of consecutive naturals, for example, 1564 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (28518).

2³²⁰³⁸⁰ is an apocalyptic number.

It is an amenable number.

320380 is an abundant number, since it is smaller than the sum of its proper divisors (364052).

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

320380 is a wasteful number, since it uses less digits than its factorization.

320380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 283 counting only the distinct ones).

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

The square root of 320380 is about 566.0212010164. The cubic root of 320380 is about 68.4261017763.

The spelling of 320380 in words is "three hundred twenty thousand, three hundred eighty".