319268 has 6 divisors (see below), whose sum is σ = 558726. Its totient is φ = 159632.

The previous prime is 319259. The next prime is 319279. The reversal of 319268 is 862913.

It can be written as a sum of positive squares in only one way, i.e., 195364 + 123904 = 442^2 + 352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 319268.

It is an unprimeable number.

319268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39905 + ... + 39912.

It is an arithmetic number, because the mean of its divisors is an integer number (93121).

2³¹⁹²⁶⁸ is an apocalyptic number.

It is an amenable number.

319268 is a deficient number, since it is larger than the sum of its proper divisors (239458).

319268 is a wasteful number, since it uses less digits than its factorization.

319268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79821 (or 79819 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 319268 is about 565.0380518160. The cubic root of 319268 is about 68.3468437825.

The spelling of 319268 in words is "three hundred nineteen thousand, two hundred sixty-eight".