319797 has 6 divisors (see below), whose sum is σ = 461942. Its totient is φ = 213192.

The previous prime is 319763. The next prime is 319811. The reversal of 319797 is 797913.

It can be written as a sum of positive squares in only one way, i.e., 194481 + 125316 = 441^2 + 354^2 .

It is not a de Polignac number, because 319797 - 2⁶ = 319733 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 319797.

It is not an unprimeable number, because it can be changed into a prime (319727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17758 + ... + 17775.

2³¹⁹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

319797 is a deficient number, since it is larger than the sum of its proper divisors (142145).

319797 is a wasteful number, since it uses less digits than its factorization.

319797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35539 (or 35536 counting only the distinct ones).

The product of its digits is 11907, while the sum is 36.

The square root of 319797 is about 565.5059681383. The cubic root of 319797 is about 68.3845712610.

The spelling of 319797 in words is "three hundred nineteen thousand, seven hundred ninety-seven".