268097217 has 16 divisors (see below), whose sum is σ = 371247360. Its totient is φ = 171963792.

The previous prime is 268097209. The next prime is 268097261. The reversal of 268097217 is 712790862.

It is not a de Polignac number, because 268097217 - 2³ = 268097209 is a prime.

It is a super-2 number, since 2×268097217² = 143752235526290178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268097287) 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, 6867 + ... + 24152.

It is an arithmetic number, because the mean of its divisors is an integer number (23202960).

Almost surely, 2^268097217 is an apocalyptic number.

It is an amenable number.

268097217 is a deficient number, since it is larger than the sum of its proper divisors (103150143).

268097217 is a wasteful number, since it uses less digits than its factorization.

268097217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31132.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 268097217 is about 16373.6745112391. The cubic root of 268097217 is about 644.8085219738.

The spelling of 268097217 in words is "two hundred sixty-eight million, ninety-seven thousand, two hundred seventeen".