319842 has 16 divisors (see below), whose sum is σ = 710880. Its totient is φ = 106596.

The previous prime is 319831. The next prime is 319849. The reversal of 319842 is 248913.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 319842.

It is not an unprimeable number, because it can be changed into a prime (319849) 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, 2908 + ... + 3015.

It is an arithmetic number, because the mean of its divisors is an integer number (44430).

2³¹⁹⁸⁴² is an apocalyptic number.

319842 is an abundant number, since it is smaller than the sum of its proper divisors (391038).

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

319842 is a wasteful number, since it uses less digits than its factorization.

319842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934 (or 5928 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 319842 is about 565.5457541172. The cubic root of 319842 is about 68.3877786721.

It can be divided in two parts, 3198 and 42, that added together give a triangular number (3240 = T₈₀).

The spelling of 319842 in words is "three hundred nineteen thousand, eight hundred forty-two".