268351893 has 8 divisors (see below), whose sum is σ = 397558400. Its totient is φ = 178901244.

The previous prime is 268351873. The next prime is 268351921. The reversal of 268351893 is 398153862.

It is a happy number.

It is not a de Polignac number, because 268351893 - 2¹³ = 268343701 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268351873) 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, 4969453 + ... + 4969506.

It is an arithmetic number, because the mean of its divisors is an integer number (49694800).

Almost surely, 2^268351893 is an apocalyptic number.

It is an amenable number.

268351893 is a deficient number, since it is larger than the sum of its proper divisors (129206507).

268351893 is an equidigital number, since it uses as much as digits as its factorization.

268351893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9938968 (or 9938962 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 268351893 is about 16381.4496611258. The cubic root of 268351893 is about 645.0126336087.

The spelling of 268351893 in words is "two hundred sixty-eight million, three hundred fifty-one thousand, eight hundred ninety-three".