268319 has 4 divisors (see below), whose sum is σ = 269640. Its totient is φ = 267000.

The previous prime is 268297. The next prime is 268343. The reversal of 268319 is 913862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268319 - 2⁸ = 268063 is a prime.

It is a super-2 number, since 2×268319² = 143990171522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268291 and 268300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284 + ... + 785.

It is an arithmetic number, because the mean of its divisors is an integer number (67410).

2²⁶⁸³¹⁹ is an apocalyptic number.

268319 is a deficient number, since it is larger than the sum of its proper divisors (1321).

268319 is a wasteful number, since it uses less digits than its factorization.

268319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320.

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

The square root of 268319 is about 517.9951737227. The cubic root of 268319 is about 64.4986278578.

The spelling of 268319 in words is "two hundred sixty-eight thousand, three hundred nineteen".