268438458 has 8 divisors (see below), whose sum is σ = 536876928. Its totient is φ = 89479484.

The previous prime is 268438399. The next prime is 268438459. The reversal of 268438458 is 854834862.

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

268438458 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (268438459) 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, 22369866 + ... + 22369877.

It is an arithmetic number, because the mean of its divisors is an integer number (67109616).

Almost surely, 2^268438458 is an apocalyptic number.

268438458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

268438458 is a wasteful number, since it uses less digits than its factorization.

268438458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44739748.

The product of its digits is 1474560, while the sum is 48.

The square root of 268438458 is about 16384.0916135134. The cubic root of 268438458 is about 645.0819822480.

The spelling of 268438458 in words is "two hundred sixty-eight million, four hundred thirty-eight thousand, four hundred fifty-eight".