319849 has 2 divisors, whose sum is σ = 319850. Its totient is φ = 319848.

The previous prime is 319831. The next prime is 319883. The reversal of 319849 is 948913.

It is an a-pointer prime, because the next prime (319883) can be obtained adding 319849 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186624 + 133225 = 432^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 319849 - 2⁵ = 319817 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 319849.

It is not a weakly prime, because it can be changed into another prime (319819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159924 + 159925.

It is an arithmetic number, because the mean of its divisors is an integer number (159925).

2³¹⁹⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

319849 is a deficient number, since it is larger than the sum of its proper divisors (1).

319849 is an equidigital number, since it uses as much as digits as its factorization.

319849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 319849 is about 565.5519427957. The cubic root of 319849 is about 68.3882775757.

The spelling of 319849 in words is "three hundred nineteen thousand, eight hundred forty-nine".