268988892 has 48 divisors (see below), whose sum is σ = 670713120. Its totient is φ = 83607552.

The previous prime is 268988873. The next prime is 268988893. The reversal of 268988892 is 298889862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268988893) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16188 + ... + 28284.

It is an arithmetic number, because the mean of its divisors is an integer number (13973190).

Almost surely, 2^268988892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268988892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335356560).

268988892 is an abundant number, since it is smaller than the sum of its proper divisors (401724228).

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

268988892 is a wasteful number, since it uses less digits than its factorization.

268988892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12230 (or 12228 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 60.

The square root of 268988892 is about 16400.8808300042. The cubic root of 268988892 is about 645.5225955147.

The spelling of 268988892 in words is "two hundred sixty-eight million, nine hundred eighty-eight thousand, eight hundred ninety-two".