338287 has 2 divisors, whose sum is σ = 338288. Its totient is φ = 338286.

The previous prime is 338279. The next prime is 338293. The reversal of 338287 is 782833.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 338287 - 2³ = 338279 is a prime.

It is a super-2 number, since 2×338287² = 228876188738, which contains 22 as substring.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169143 + 169144.

It is an arithmetic number, because the mean of its divisors is an integer number (169144).

2³³⁸²⁸⁷ is an apocalyptic number.

338287 is a deficient number, since it is larger than the sum of its proper divisors (1).

338287 is an equidigital number, since it uses as much as digits as its factorization.

338287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 338287 is about 581.6244492798. The cubic root of 338287 is about 69.6779079815.

It can be divided in two parts, 338 and 287, that added together give a 4-th power (625 = 5⁴).

The spelling of 338287 in words is "three hundred thirty-eight thousand, two hundred eighty-seven".