268919 has 8 divisors (see below), whose sum is σ = 315168. Its totient is φ = 224640.

The previous prime is 268913. The next prime is 268921. The reversal of 268919 is 919862.

268919 = 103² + 104² + ... + 123².

268919 is nontrivially palindromic in base 14.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268919 - 2¹⁶ = 203383 is a prime.

It is a super-2 number, since 2×268919² = 144634857122, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268913) 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, 182 + ... + 755.

It is an arithmetic number, because the mean of its divisors is an integer number (39396).

2²⁶⁸⁹¹⁹ is an apocalyptic number.

268919 is a deficient number, since it is larger than the sum of its proper divisors (46249).

268919 is an equidigital number, since it uses as much as digits as its factorization.

268919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its digits is 7776, while the sum is 35.

The square root of 268919 is about 518.5740062903. The cubic root of 268919 is about 64.5466681467.

It can be divided in two parts, 2 and 68919, that added together give a cube (68921 = 41³).

The spelling of 268919 in words is "two hundred sixty-eight thousand, nine hundred nineteen".