338390077 has 2 divisors, whose sum is σ = 338390078. Its totient is φ = 338390076.

The previous prime is 338390071. The next prime is 338390093. The reversal of 338390077 is 770093833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236359876 + 102030201 = 15374^2 + 10101^2 .

It is an emirp because it is prime and its reverse (770093833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338390077 - 2³ = 338390069 is a prime.

It is a super-2 number, since 2×338390077² = 229015688424131858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338390071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169195038 + 169195039.

It is an arithmetic number, because the mean of its divisors is an integer number (169195039).

Almost surely, 2^338390077 is an apocalyptic number.

It is an amenable number.

338390077 is a deficient number, since it is larger than the sum of its proper divisors (1).

338390077 is an equidigital number, since it uses as much as digits as its factorization.

338390077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 338390077 is about 18395.3819476520. The cubic root of 338390077 is about 696.8498428101.

The spelling of 338390077 in words is "three hundred thirty-eight million, three hundred ninety thousand, seventy-seven".