268938438 has 16 divisors (see below), whose sum is σ = 538236480. Its totient is φ = 89586216.

The previous prime is 268938409. The next prime is 268938479. The reversal of 268938438 is 834839862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4720 + ... + 23667.

It is an arithmetic number, because the mean of its divisors is an integer number (33639780).

Almost surely, 2^268938438 is an apocalyptic number.

268938438 is an abundant number, since it is smaller than the sum of its proper divisors (269298042).

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

268938438 is a wasteful number, since it uses less digits than its factorization.

268938438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29971.

The product of its digits is 1990656, while the sum is 51.

The square root of 268938438 is about 16399.3426087755. The cubic root of 268938438 is about 645.4822329638.

The spelling of 268938438 in words is "two hundred sixty-eight million, nine hundred thirty-eight thousand, four hundred thirty-eight".