268424191 has 32 divisors (see below), whose sum is σ = 344309760. Its totient is φ = 203946336.

The previous prime is 268424179. The next prime is 268424197. The reversal of 268424191 is 191424862.

It is not a de Polignac number, because 268424191 - 2⁷ = 268424063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268424191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268424197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142840 + ... + 144706.

It is an arithmetic number, because the mean of its divisors is an integer number (10759680).

Almost surely, 2^268424191 is an apocalyptic number.

268424191 is a deficient number, since it is larger than the sum of its proper divisors (75885569).

268424191 is a wasteful number, since it uses less digits than its factorization.

268424191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963.

The product of its digits is 27648, while the sum is 37.

The square root of 268424191 is about 16383.6562158756. The cubic root of 268424191 is about 645.0705537468.

The spelling of 268424191 in words is "two hundred sixty-eight million, four hundred twenty-four thousand, one hundred ninety-one".