319855 has 16 divisors (see below), whose sum is σ = 419904. Its totient is φ = 232960.

The previous prime is 319849. The next prime is 319883. The reversal of 319855 is 558913.

It is not a de Polignac number, because 319855 - 2⁷ = 319727 is a prime.

It is a Duffinian number.

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 319855.

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 15 ways as a sum of consecutive naturals, for example, 4470 + ... + 4540.

It is an arithmetic number, because the mean of its divisors is an integer number (26244).

2³¹⁹⁸⁵⁵ is an apocalyptic number.

319855 is a deficient number, since it is larger than the sum of its proper divisors (100049).

319855 is a wasteful number, since it uses less digits than its factorization.

319855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146.

The product of its digits is 5400, while the sum is 31.

The square root of 319855 is about 565.5572473234. The cubic root of 319855 is about 68.3887052016.

The spelling of 319855 in words is "three hundred nineteen thousand, eight hundred fifty-five".