268838772 has 12 divisors (see below), whose sum is σ = 627290496. Its totient is φ = 89612920.

The previous prime is 268838767. The next prime is 268838777. The reversal of 268838772 is 277838862.

268838772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (268838767) and next prime (268838777).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268838777) 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 3 ways as a sum of consecutive naturals, for example, 11201604 + ... + 11201627.

It is an arithmetic number, because the mean of its divisors is an integer number (52274208).

Almost surely, 2^268838772 is an apocalyptic number.

It is an amenable number.

268838772 is an abundant number, since it is smaller than the sum of its proper divisors (358451724).

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

268838772 is a wasteful number, since it uses less digits than its factorization.

268838772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22403238 (or 22403236 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 268838772 is about 16396.3036078258. The cubic root of 268838772 is about 645.4024866082.

The spelling of 268838772 in words is "two hundred sixty-eight million, eight hundred thirty-eight thousand, seven hundred seventy-two".