268327686 has 16 divisors (see below), whose sum is σ = 585442368. Its totient is φ = 81311400.

The previous prime is 268327681. The next prime is 268327699. The reversal of 268327686 is 686723862.

It is a happy number.

It is a super-2 number, since 2×268327686² = 143999494148229192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268327681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2032720 + ... + 2032851.

It is an arithmetic number, because the mean of its divisors is an integer number (36590148).

Almost surely, 2^268327686 is an apocalyptic number.

268327686 is an abundant number, since it is smaller than the sum of its proper divisors (317114682).

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

268327686 is a wasteful number, since it uses less digits than its factorization.

268327686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065587.

The product of its digits is 1161216, while the sum is 48.

The square root of 268327686 is about 16380.7107904389. The cubic root of 268327686 is about 644.9932383162.

The spelling of 268327686 in words is "two hundred sixty-eight million, three hundred twenty-seven thousand, six hundred eighty-six".