268293538 has 4 divisors (see below), whose sum is σ = 402440310. Its totient is φ = 134146768.

The previous prime is 268293511. The next prime is 268293563. The reversal of 268293538 is 835392862.

268293538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 247527289 + 20766249 = 15733^2 + 4557^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 67073383 + ... + 67073386.

Almost surely, 2^268293538 is an apocalyptic number.

268293538 is a deficient number, since it is larger than the sum of its proper divisors (134146772).

268293538 is a wasteful number, since it uses less digits than its factorization.

268293538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134146771.

The product of its digits is 622080, while the sum is 46.

The square root of 268293538 is about 16379.6684337626. The cubic root of 268293538 is about 644.9658760466.

The spelling of 268293538 in words is "two hundred sixty-eight million, two hundred ninety-three thousand, five hundred thirty-eight".