268839806 has 16 divisors (see below), whose sum is σ = 407484000. Its totient is φ = 133018848.

The previous prime is 268839803. The next prime is 268839811. The reversal of 268839806 is 608938862.

It is a super-3 number, since 3×268839806³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268839803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85775 + ... + 88853.

It is an arithmetic number, because the mean of its divisors is an integer number (25467750).

Almost surely, 2^268839806 is an apocalyptic number.

268839806 is a deficient number, since it is larger than the sum of its proper divisors (138644194).

268839806 is a wasteful number, since it uses less digits than its factorization.

268839806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523.

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 268839806 is about 16396.3351392926. The cubic root of 268839806 is about 645.4033140500.

The spelling of 268839806 in words is "two hundred sixty-eight million, eight hundred thirty-nine thousand, eight hundred six".