268886736 has 40 divisors (see below), whose sum is σ = 771805760. Its totient is φ = 89628768.

The previous prime is 268886731. The next prime is 268886771. The reversal of 268886736 is 637688862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268886731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310780 + ... + 311643.

It is an arithmetic number, because the mean of its divisors is an integer number (19295144).

Almost surely, 2^268886736 is an apocalyptic number.

It is an amenable number.

268886736 is an abundant number, since it is smaller than the sum of its proper divisors (502919024).

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

268886736 is a wasteful number, since it uses less digits than its factorization.

268886736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622440 (or 622428 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 268886736 is about 16397.7661893320. The cubic root of 268886736 is about 645.4408667916.

The spelling of 268886736 in words is "two hundred sixty-eight million, eight hundred eighty-six thousand, seven hundred thirty-six".