320895 has 16 divisors (see below), whose sum is σ = 570720. Its totient is φ = 171072.

The previous prime is 320867. The next prime is 320899. The reversal of 320895 is 598023.

320895 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 320895 - 2⁷ = 320767 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

320895 is strictly pandigital in base 7.

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 320895.

It is not an unprimeable number, because it can be changed into a prime (320899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (35670).

2³²⁰⁸⁹⁵ is an apocalyptic number.

320895 is a deficient number, since it is larger than the sum of its proper divisors (249825).

320895 is a wasteful number, since it uses less digits than its factorization.

320895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 320895 is about 566.4759482979. The cubic root of 320895 is about 68.4627463620.

The spelling of 320895 in words is "three hundred twenty thousand, eight hundred ninety-five".