268901647 has 16 divisors (see below), whose sum is σ = 310297600. Its totient is φ = 228264480.

The previous prime is 268901639. The next prime is 268901653. The reversal of 268901647 is 746109862.

It is a cyclic number.

It is not a de Polignac number, because 268901647 - 2³ = 268901639 is a prime.

It is a super-3 number, since 3×268901647³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268901627) 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, 434104 + ... + 434722.

It is an arithmetic number, because the mean of its divisors is an integer number (19393600).

Almost surely, 2^268901647 is an apocalyptic number.

268901647 is a deficient number, since it is larger than the sum of its proper divisors (41395953).

268901647 is a wasteful number, since it uses less digits than its factorization.

268901647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 268901647 is about 16398.2208486165. The cubic root of 268901647 is about 645.4527974543.

The spelling of 268901647 in words is "two hundred sixty-eight million, nine hundred one thousand, six hundred forty-seven".