338670289 has 2 divisors, whose sum is σ = 338670290. Its totient is φ = 338670288.

The previous prime is 338670281. The next prime is 338670317. The reversal of 338670289 is 982076833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214124689 + 124545600 = 14633^2 + 11160^2 .

It is a cyclic number.

It is not a de Polignac number, because 338670289 - 2³ = 338670281 is a prime.

It is a super-2 number, since 2×338670289² = 229395129302687042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338670281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169335144 + 169335145.

It is an arithmetic number, because the mean of its divisors is an integer number (169335145).

Almost surely, 2^338670289 is an apocalyptic number.

It is an amenable number.

338670289 is a deficient number, since it is larger than the sum of its proper divisors (1).

338670289 is an equidigital number, since it uses as much as digits as its factorization.

338670289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 338670289 is about 18402.9967396617. The cubic root of 338670289 is about 697.0421374705.

The spelling of 338670289 in words is "three hundred thirty-eight million, six hundred seventy thousand, two hundred eighty-nine".