268217384 has 16 divisors (see below), whose sum is σ = 505688820. Its totient is φ = 133367040.

The previous prime is 268217377. The next prime is 268217399. The reversal of 268217384 is 483712862.

It can be written as a sum of positive squares in 2 ways, for example, as 248945284 + 19272100 = 15778^2 + 4390^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91169 + ... + 94064.

Almost surely, 2^268217384 is an apocalyptic number.

It is an amenable number.

268217384 is a deficient number, since it is larger than the sum of its proper divisors (237471436).

268217384 is a wasteful number, since it uses less digits than its factorization.

268217384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185420 (or 185416 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 268217384 is about 16377.3436185482. The cubic root of 268217384 is about 644.9048466487.

The spelling of 268217384 in words is "two hundred sixty-eight million, two hundred seventeen thousand, three hundred eighty-four".