268347091 has 16 divisors (see below), whose sum is σ = 292057920. Its totient is φ = 245560320.

The previous prime is 268347077. The next prime is 268347103. The reversal of 268347091 is 190743862.

It is a cyclic number.

It is not a de Polignac number, because 268347091 - 2¹⁷ = 268216019 is a prime.

It is a super-2 number, since 2×268347091² = 144020322496324562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268347011) 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, 305545 + ... + 306421.

It is an arithmetic number, because the mean of its divisors is an integer number (18253620).

Almost surely, 2^268347091 is an apocalyptic number.

268347091 is a deficient number, since it is larger than the sum of its proper divisors (23710829).

268347091 is a wasteful number, since it uses less digits than its factorization.

268347091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 268347091 is about 16381.3030922451. The cubic root of 268347091 is about 645.0087862113.

The spelling of 268347091 in words is "two hundred sixty-eight million, three hundred forty-seven thousand, ninety-one".