268806286 has 16 divisors (see below), whose sum is σ = 462457440. Its totient is φ = 114791040.

The previous prime is 268806283. The next prime is 268806289. The reversal of 268806286 is 682608862.

It is an interprime number because it is at equal distance from previous prime (268806283) and next prime (268806289).

It is a super-2 number, since 2×268806286² = 144513638786227592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268806283) 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, 30231 + ... + 38098.

It is an arithmetic number, because the mean of its divisors is an integer number (28903590).

Almost surely, 2^268806286 is an apocalyptic number.

268806286 is a deficient number, since it is larger than the sum of its proper divisors (193651154).

268806286 is a wasteful number, since it uses less digits than its factorization.

268806286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68619.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 268806286 is about 16395.3129277852. The cubic root of 268806286 is about 645.3764891308.

The spelling of 268806286 in words is "two hundred sixty-eight million, eight hundred six thousand, two hundred eighty-six".