268783458 has 16 divisors (see below), whose sum is σ = 547710336. Its totient is φ = 87903920.

The previous prime is 268783453. The next prime is 268783469. The reversal of 268783458 is 854387862.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268783458.

It is not an unprimeable number, because it can be changed into a prime (268783453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422298 + ... + 422933.

It is an arithmetic number, because the mean of its divisors is an integer number (34231896).

Almost surely, 2^268783458 is an apocalyptic number.

268783458 is an abundant number, since it is smaller than the sum of its proper divisors (278926878).

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

268783458 is a wasteful number, since it uses less digits than its factorization.

268783458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845289.

The product of its digits is 2580480, while the sum is 51.

The square root of 268783458 is about 16394.6167384297. The cubic root of 268783458 is about 645.3582193800.

The spelling of 268783458 in words is "two hundred sixty-eight million, seven hundred eighty-three thousand, four hundred fifty-eight".