268438907 has 4 divisors (see below), whose sum is σ = 292842456. Its totient is φ = 244035360.

The previous prime is 268438901. The next prime is 268438913. The reversal of 268438907 is 709834862.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (268438901) and next prime (268438913).

It is a cyclic number.

It is not a de Polignac number, because 268438907 - 2⁶ = 268438843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268438901) 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, 12201758 + ... + 12201779.

It is an arithmetic number, because the mean of its divisors is an integer number (73210614).

Almost surely, 2^268438907 is an apocalyptic number.

268438907 is a deficient number, since it is larger than the sum of its proper divisors (24403549).

268438907 is a wasteful number, since it uses less digits than its factorization.

268438907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24403548.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 268438907 is about 16384.1053158236. The cubic root of 268438907 is about 645.0823419104.

The spelling of 268438907 in words is "two hundred sixty-eight million, four hundred thirty-eight thousand, nine hundred seven".