268838187 has 16 divisors (see below), whose sum is σ = 382903200. Its totient is φ = 167186432.

The previous prime is 268838179. The next prime is 268838197. The reversal of 268838187 is 781838862.

It is not a de Polignac number, because 268838187 - 2³ = 268838179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (268838197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17562 + ... + 29087.

It is an arithmetic number, because the mean of its divisors is an integer number (23931450).

Almost surely, 2^268838187 is an apocalyptic number.

268838187 is a deficient number, since it is larger than the sum of its proper divisors (114065013).

268838187 is a wasteful number, since it uses less digits than its factorization.

268838187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46782.

The product of its digits is 1032192, while the sum is 51.

The square root of 268838187 is about 16396.2857684294. The cubic root of 268838187 is about 645.4020184705.

The spelling of 268838187 in words is "two hundred sixty-eight million, eight hundred thirty-eight thousand, one hundred eighty-seven".