268683387 has 16 divisors (see below), whose sum is σ = 410952960. Its totient is φ = 152959392.

The previous prime is 268683361. The next prime is 268683397. The reversal of 268683387 is 783386862.

It is not a de Polignac number, because 268683387 - 2⁶ = 268683323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268683397) 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, 18133 + ... + 29430.

It is an arithmetic number, because the mean of its divisors is an integer number (25684560).

Almost surely, 2^268683387 is an apocalyptic number.

268683387 is a deficient number, since it is larger than the sum of its proper divisors (142269573).

268683387 is a wasteful number, since it uses less digits than its factorization.

268683387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47842.

The product of its digits is 2322432, while the sum is 51.

The square root of 268683387 is about 16391.5645073922. The cubic root of 268683387 is about 645.2781181474.

The spelling of 268683387 in words is "two hundred sixty-eight million, six hundred eighty-three thousand, three hundred eighty-seven".