268987796 has 96 divisors (see below), whose sum is σ = 606627840. Its totient is φ = 101347200.

The previous prime is 268987777. The next prime is 268987813. The reversal of 268987796 is 697789862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1935095 + ... + 1935233.

It is an arithmetic number, because the mean of its divisors is an integer number (6319040).

Almost surely, 2^268987796 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 268987796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303313920).

268987796 is an abundant number, since it is smaller than the sum of its proper divisors (337640044).

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

268987796 is a wasteful number, since it uses less digits than its factorization.

268987796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 323 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 62.

The square root of 268987796 is about 16400.8474171306. The cubic root of 268987796 is about 645.5217187824.

The spelling of 268987796 in words is "two hundred sixty-eight million, nine hundred eighty-seven thousand, seven hundred ninety-six".