320886 has 12 divisors (see below), whose sum is σ = 695292. Its totient is φ = 106956.

The previous prime is 320867. The next prime is 320899. The reversal of 320886 is 688023.

320886 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 8896 + ... + 8931.

It is an arithmetic number, because the mean of its divisors is an integer number (57941).

2³²⁰⁸⁸⁶ is an apocalyptic number.

320886 is an abundant number, since it is smaller than the sum of its proper divisors (374406).

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

320886 is a wasteful number, since it uses less digits than its factorization.

320886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17835 (or 17832 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 320886 is about 566.4680043921. The cubic root of 320886 is about 68.4621063079.

The spelling of 320886 in words is "three hundred twenty thousand, eight hundred eighty-six".