268434186 has 16 divisors (see below), whose sum is σ = 551378784. Its totient is φ = 87059664.

The previous prime is 268434181. The next prime is 268434193. The reversal of 268434186 is 681434862.

It is not an unprimeable number, because it can be changed into a prime (268434181) 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, 604360 + ... + 604803.

It is an arithmetic number, because the mean of its divisors is an integer number (34461174).

Almost surely, 2^268434186 is an apocalyptic number.

268434186 is an abundant number, since it is smaller than the sum of its proper divisors (282944598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268434186 is a wasteful number, since it uses less digits than its factorization.

268434186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209205.

The product of its digits is 221184, while the sum is 42.

The square root of 268434186 is about 16383.9612426299. The cubic root of 268434186 is about 645.0785602286.

The spelling of 268434186 in words is "two hundred sixty-eight million, four hundred thirty-four thousand, one hundred eighty-six".