268386988 has 12 divisors (see below), whose sum is σ = 477638280. Its totient is φ = 131918912.

The previous prime is 268386971. The next prime is 268386991. The reversal of 268386988 is 889683862.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568381 + ... + 568852.

It is an arithmetic number, because the mean of its divisors is an integer number (39803190).

Almost surely, 2^268386988 is an apocalyptic number.

It is an amenable number.

268386988 is a deficient number, since it is larger than the sum of its proper divisors (209251292).

268386988 is a wasteful number, since it uses less digits than its factorization.

268386988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137296 (or 1137294 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 58.

The square root of 268386988 is about 16382.5208072506. The cubic root of 268386988 is about 645.0407505852.

The spelling of 268386988 in words is "two hundred sixty-eight million, three hundred eighty-six thousand, nine hundred eighty-eight".