268886828 has 24 divisors (see below), whose sum is σ = 540570912. Its totient is φ = 114637824.

The previous prime is 268886809. The next prime is 268886831. The reversal of 268886828 is 828688862.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19475 + ... + 30282.

It is an arithmetic number, because the mean of its divisors is an integer number (22523788).

Almost surely, 2^268886828 is an apocalyptic number.

268886828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

268886828 is an abundant number, since it is smaller than the sum of its proper divisors (271684084).

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

268886828 is a wasteful number, since it uses less digits than its factorization.

268886828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49961 (or 49959 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 56.

The square root of 268886828 is about 16397.7689945919. The cubic root of 268886828 is about 645.4409404044.

The spelling of 268886828 in words is "two hundred sixty-eight million, eight hundred eighty-six thousand, eight hundred twenty-eight".