268747 has 2 divisors, whose sum is σ = 268748. Its totient is φ = 268746.

The previous prime is 268733. The next prime is 268757. The reversal of 268747 is 747862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268747 - 2¹⁵ = 235979 is a prime.

268747 is a lucky number.

It is a nialpdrome in base 6.

It is not a weakly prime, because it can be changed into another prime (268757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134373 + 134374.

It is an arithmetic number, because the mean of its divisors is an integer number (134374).

2²⁶⁸⁷⁴⁷ is an apocalyptic number.

268747 is a deficient number, since it is larger than the sum of its proper divisors (1).

268747 is an equidigital number, since it uses as much as digits as its factorization.

268747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 34.

The square root of 268747 is about 518.4081403682. The cubic root of 268747 is about 64.5329039095.

The spelling of 268747 in words is "two hundred sixty-eight thousand, seven hundred forty-seven".