268247605 has 16 divisors (see below), whose sum is σ = 340188480. Its totient is φ = 202493952.

The previous prime is 268247599. The next prime is 268247627. The reversal of 268247605 is 506742862.

It is a cyclic number.

It is not a de Polignac number, because 268247605 - 2⁹ = 268247093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18922 + ... + 29908.

It is an arithmetic number, because the mean of its divisors is an integer number (21261780).

Almost surely, 2^268247605 is an apocalyptic number.

It is an amenable number.

268247605 is a deficient number, since it is larger than the sum of its proper divisors (71940875).

268247605 is a wasteful number, since it uses less digits than its factorization.

268247605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 268247605 is about 16378.2662391353. The cubic root of 268247605 is about 644.9290669747.

The spelling of 268247605 in words is "two hundred sixty-eight million, two hundred forty-seven thousand, six hundred five".