268686308 has 48 divisors (see below), whose sum is σ = 523057920. Its totient is φ = 120748320.

The previous prime is 268686307. The next prime is 268686311. The reversal of 268686308 is 803686862.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (268686307) 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, 580085 + ... + 580547.

It is an arithmetic number, because the mean of its divisors is an integer number (10897040).

Almost surely, 2^268686308 is an apocalyptic number.

It is an amenable number.

268686308 is a deficient number, since it is larger than the sum of its proper divisors (254371612).

268686308 is a wasteful number, since it uses less digits than its factorization.

268686308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 268686308 is about 16391.6536078579. The cubic root of 268686308 is about 645.2804565261.

The spelling of 268686308 in words is "two hundred sixty-eight million, six hundred eighty-six thousand, three hundred eight".