338604857 has 2 divisors, whose sum is σ = 338604858. Its totient is φ = 338604856.

The previous prime is 338604821. The next prime is 338604869. The reversal of 338604857 is 758406833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337787641 + 817216 = 18379^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 338604857 - 2⁸ = 338604601 is a prime.

It is a super-2 number, since 2×338604857² = 229306498367980898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (338804857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169302428 + 169302429.

It is an arithmetic number, because the mean of its divisors is an integer number (169302429).

Almost surely, 2^338604857 is an apocalyptic number.

It is an amenable number.

338604857 is a deficient number, since it is larger than the sum of its proper divisors (1).

338604857 is an equidigital number, since it uses as much as digits as its factorization.

338604857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 338604857 is about 18401.2188998447. The cubic root of 338604857 is about 696.9972444480.

The spelling of 338604857 in words is "three hundred thirty-eight million, six hundred four thousand, eight hundred fifty-seven".