268217383 has 4 divisors (see below), whose sum is σ = 306534160. Its totient is φ = 229900608.

The previous prime is 268217377. The next prime is 268217399. The reversal of 268217383 is 383712862.

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

It is not a de Polignac number, because 268217383 - 2⁵ = 268217351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268217303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19158378 + ... + 19158391.

It is an arithmetic number, because the mean of its divisors is an integer number (76633540).

Almost surely, 2^268217383 is an apocalyptic number.

268217383 is a deficient number, since it is larger than the sum of its proper divisors (38316777).

268217383 is an equidigital number, since it uses as much as digits as its factorization.

268217383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38316776.

The product of its digits is 96768, while the sum is 40.

The square root of 268217383 is about 16377.3435880182. The cubic root of 268217383 is about 644.9048458472.

The spelling of 268217383 in words is "two hundred sixty-eight million, two hundred seventeen thousand, three hundred eighty-three".