338887117 has 2 divisors, whose sum is σ = 338887118. Its totient is φ = 338887116.

The previous prime is 338886971. The next prime is 338887121. The reversal of 338887117 is 711788833.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182412036 + 156475081 = 13506^2 + 12509^2 .

It is a cyclic number.

It is not a de Polignac number, because 338887117 - 2¹¹ = 338885069 is a prime.

It is a super-2 number, since 2×338887117² = 229688956137143378, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338887187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169443558 + 169443559.

It is an arithmetic number, because the mean of its divisors is an integer number (169443559).

Almost surely, 2^338887117 is an apocalyptic number.

It is an amenable number.

338887117 is a deficient number, since it is larger than the sum of its proper divisors (1).

338887117 is an equidigital number, since it uses as much as digits as its factorization.

338887117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 46.

The square root of 338887117 is about 18408.8869027978. The cubic root of 338887117 is about 697.1908622670.

The spelling of 338887117 in words is "three hundred thirty-eight million, eight hundred eighty-seven thousand, one hundred seventeen".