268434187 has 8 divisors (see below), whose sum is σ = 307977696. Its totient is φ = 229189632.

The previous prime is 268434181. The next prime is 268434193. The reversal of 268434187 is 781434862.

It is an interprime number because it is at equal distance from previous prime (268434181) and next prime (268434193).

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

It is not a de Polignac number, because 268434187 - 2¹¹ = 268432139 is a prime.

It is a Duffinian number.

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, 72808 + ... + 76405.

It is an arithmetic number, because the mean of its divisors is an integer number (38497212).

Almost surely, 2^268434187 is an apocalyptic number.

268434187 is a deficient number, since it is larger than the sum of its proper divisors (39543509).

268434187 is a wasteful number, since it uses less digits than its factorization.

268434187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149477.

The product of its digits is 258048, while the sum is 43.

The square root of 268434187 is about 16383.9612731476. The cubic root of 268434187 is about 645.0785610296.

The spelling of 268434187 in words is "two hundred sixty-eight million, four hundred thirty-four thousand, one hundred eighty-seven".