268998497 has 16 divisors (see below), whose sum is σ = 293496192. Its totient is φ = 245548800.

The previous prime is 268998493. The next prime is 268998511. The reversal of 268998497 is 794899862.

It is a cyclic number.

It is not a de Polignac number, because 268998497 - 2² = 268998493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268998493) 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, 109163 + ... + 111599.

It is an arithmetic number, because the mean of its divisors is an integer number (18343512).

Almost surely, 2^268998497 is an apocalyptic number.

It is an amenable number.

268998497 is a deficient number, since it is larger than the sum of its proper divisors (24497695).

268998497 is a wasteful number, since it uses less digits than its factorization.

268998497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648.

The product of its digits is 15676416, while the sum is 62.

The square root of 268998497 is about 16401.1736470290. The cubic root of 268998497 is about 645.5302788193.

The spelling of 268998497 in words is "two hundred sixty-eight million, nine hundred ninety-eight thousand, four hundred ninety-seven".