338474161 has 2 divisors, whose sum is σ = 338474162. Its totient is φ = 338474160.

The previous prime is 338474077. The next prime is 338474183. The reversal of 338474161 is 161474833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322023025 + 16451136 = 17945^2 + 4056^2 .

It is a cyclic number.

It is not a de Polignac number, because 338474161 - 2¹³ = 338465969 is a prime.

It is a super-2 number, since 2×338474161² = 229129515329307842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338474161.

It is not a weakly prime, because it can be changed into another prime (338474861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169237080 + 169237081.

It is an arithmetic number, because the mean of its divisors is an integer number (169237081).

Almost surely, 2^338474161 is an apocalyptic number.

It is an amenable number.

338474161 is a deficient number, since it is larger than the sum of its proper divisors (1).

338474161 is an equidigital number, since it uses as much as digits as its factorization.

338474161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 338474161 is about 18397.6672706080. The cubic root of 338474161 is about 696.9075563520.

The spelling of 338474161 in words is "three hundred thirty-eight million, four hundred seventy-four thousand, one hundred sixty-one".