268011938 has 4 divisors (see below), whose sum is σ = 402017910. Its totient is φ = 134005968.

The previous prime is 268011923. The next prime is 268011973. The reversal of 268011938 is 839110862.

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., 264615289 + 3396649 = 16267^2 + 1843^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67002983 + ... + 67002986.

Almost surely, 2^268011938 is an apocalyptic number.

268011938 is a deficient number, since it is larger than the sum of its proper divisors (134005972).

268011938 is a wasteful number, since it uses less digits than its factorization.

268011938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134005971.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 268011938 is about 16371.0701543913. The cubic root of 268011938 is about 644.7401457109.

The spelling of 268011938 in words is "two hundred sixty-eight million, eleven thousand, nine hundred thirty-eight".