268351838 has 4 divisors (see below), whose sum is σ = 402527760. Its totient is φ = 134175918.

The previous prime is 268351807. The next prime is 268351873. The reversal of 268351838 is 838153862.

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

It is a super-5 number, since 5×268351838⁵ (a number of 43 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67087958 + ... + 67087961.

It is an arithmetic number, because the mean of its divisors is an integer number (100631940).

Almost surely, 2^268351838 is an apocalyptic number.

268351838 is a deficient number, since it is larger than the sum of its proper divisors (134175922).

268351838 is a wasteful number, since it uses less digits than its factorization.

268351838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134175921.

The product of its digits is 276480, while the sum is 44.

The square root of 268351838 is about 16381.4479823976. The cubic root of 268351838 is about 645.0125895425.

The spelling of 268351838 in words is "two hundred sixty-eight million, three hundred fifty-one thousand, eight hundred thirty-eight".