268197828 has 24 divisors (see below), whose sum is σ = 626441088. Its totient is φ = 89306976.

The previous prime is 268197827. The next prime is 268197847. The reversal of 268197828 is 828791862.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (268197821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125 + ... + 23187.

It is an arithmetic number, because the mean of its divisors is an integer number (26101712).

Almost surely, 2^268197828 is an apocalyptic number.

It is an amenable number.

268197828 is an abundant number, since it is smaller than the sum of its proper divisors (358243260).

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

268197828 is a wasteful number, since it uses less digits than its factorization.

268197828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23083 (or 23081 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The square root of 268197828 is about 16376.7465633440. The cubic root of 268197828 is about 644.8891727135.

The spelling of 268197828 in words is "two hundred sixty-eight million, one hundred ninety-seven thousand, eight hundred twenty-eight".