338390071 has 2 divisors, whose sum is σ = 338390072. Its totient is φ = 338390070.

The previous prime is 338390069. The next prime is 338390077. The reversal of 338390071 is 170093833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338390071 - 2¹ = 338390069 is a prime.

It is a super-2 number, since 2×338390071² = 229015680302770082, which contains 22 as substring.

Together with 338390069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338390077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169195035 + 169195036.

It is an arithmetic number, because the mean of its divisors is an integer number (169195036).

Almost surely, 2^338390071 is an apocalyptic number.

338390071 is a deficient number, since it is larger than the sum of its proper divisors (1).

338390071 is an equidigital number, since it uses as much as digits as its factorization.

338390071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 338390071 is about 18395.3817845676. The cubic root of 338390071 is about 696.8498386915.

The spelling of 338390071 in words is "three hundred thirty-eight million, three hundred ninety thousand, seventy-one".