268338243 has 8 divisors (see below), whose sum is σ = 358635856. Its totient is φ = 178466400.

The previous prime is 268338241. The next prime is 268338269. The reversal of 268338243 is 342833862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268338243 - 2¹ = 268338241 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (268338241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104968 + ... + 107493.

It is an arithmetic number, because the mean of its divisors is an integer number (44829482).

Almost surely, 2^268338243 is an apocalyptic number.

268338243 is a deficient number, since it is larger than the sum of its proper divisors (90297613).

268338243 is a wasteful number, since it uses less digits than its factorization.

268338243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212885.

The product of its digits is 165888, while the sum is 39.

The square root of 268338243 is about 16381.0330260335. The cubic root of 268338243 is about 645.0016970089.

The spelling of 268338243 in words is "two hundred sixty-eight million, three hundred thirty-eight thousand, two hundred forty-three".