268458 has 16 divisors (see below), whose sum is σ = 543456. Its totient is φ = 88400.

The previous prime is 268439. The next prime is 268459. The reversal of 268458 is 854862.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 268458.

It is not an unprimeable number, because it can be changed into a prime (268459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385 + ... + 827.

It is an arithmetic number, because the mean of its divisors is an integer number (33966).

2²⁶⁸⁴⁵⁸ is an apocalyptic number.

268458 is an abundant number, since it is smaller than the sum of its proper divisors (274998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268458 is a wasteful number, since it uses less digits than its factorization.

268458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its digits is 15360, while the sum is 33.

The square root of 268458 is about 518.1293274849. The cubic root of 268458 is about 64.5097635601.

The spelling of 268458 in words is "two hundred sixty-eight thousand, four hundred fifty-eight".