268638963 has 8 divisors (see below), whose sum is σ = 369739776. Its totient is φ = 173315400.

The previous prime is 268638943. The next prime is 268638973. The reversal of 268638963 is 369836862.

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

It is not a de Polignac number, because 268638963 - 2¹³ = 268630771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268638943) 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, 1444203 + ... + 1444388.

It is an arithmetic number, because the mean of its divisors is an integer number (46217472).

Almost surely, 2^268638963 is an apocalyptic number.

268638963 is a deficient number, since it is larger than the sum of its proper divisors (101100813).

268638963 is a wasteful number, since it uses less digits than its factorization.

268638963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888625.

The product of its digits is 2239488, while the sum is 51.

The square root of 268638963 is about 16390.2093641296. The cubic root of 268638963 is about 645.2425528482.

The spelling of 268638963 in words is "two hundred sixty-eight million, six hundred thirty-eight thousand, nine hundred sixty-three".