268928764 has 24 divisors (see below), whose sum is σ = 509499648. Its totient is φ = 123466560.

The previous prime is 268928749. The next prime is 268928791. The reversal of 268928764 is 467829862.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3607 + ... + 23470.

It is an arithmetic number, because the mean of its divisors is an integer number (21229152).

Almost surely, 2^268928764 is an apocalyptic number.

It is an amenable number.

268928764 is a deficient number, since it is larger than the sum of its proper divisors (240570884).

268928764 is a wasteful number, since it uses less digits than its factorization.

268928764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27285 (or 27283 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 268928764 is about 16399.0476552756. The cubic root of 268928764 is about 645.4744933115.

The spelling of 268928764 in words is "two hundred sixty-eight million, nine hundred twenty-eight thousand, seven hundred sixty-four".