268278934 has 64 divisors (see below), whose sum is σ = 520058880. Its totient is φ = 100759680.

The previous prime is 268278919. The next prime is 268278937. The reversal of 268278934 is 439872862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268278937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1122387 + ... + 1122625.

It is an arithmetic number, because the mean of its divisors is an integer number (8125920).

Almost surely, 2^268278934 is an apocalyptic number.

268278934 is a deficient number, since it is larger than the sum of its proper divisors (251779946).

268278934 is a wasteful number, since it uses less digits than its factorization.

268278934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493.

The product of its digits is 1161216, while the sum is 49.

The square root of 268278934 is about 16379.2226311263. Note that the first 3 decimals coincide. The cubic root of 268278934 is about 644.9541733762.

The spelling of 268278934 in words is "two hundred sixty-eight million, two hundred seventy-eight thousand, nine hundred thirty-four".