268909368 has 64 divisors (see below), whose sum is σ = 827420160. Its totient is φ = 70920576.

The previous prime is 268909367. The next prime is 268909379. The reversal of 268909368 is 863909862.

It is a self number, because there is not a number n which added to its sum of digits gives 268909368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268909367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59380 + ... + 63747.

It is an arithmetic number, because the mean of its divisors is an integer number (12928440).

Almost surely, 2^268909368 is an apocalyptic number.

268909368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

268909368 is an abundant number, since it is smaller than the sum of its proper divisors (558510792).

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

268909368 is a wasteful number, since it uses less digits than its factorization.

268909368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123156 (or 123152 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 268909368 is about 16398.4562688077. The cubic root of 268909368 is about 645.4589750455.

The spelling of 268909368 in words is "two hundred sixty-eight million, nine hundred nine thousand, three hundred sixty-eight".