388469161 has 2 divisors, whose sum is σ = 388469162. Its totient is φ = 388469160.

The previous prime is 388469141. The next prime is 388469173. The reversal of 388469161 is 161964883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333427600 + 55041561 = 18260^2 + 7419^2 .

It is a cyclic number.

It is not a de Polignac number, because 388469161 - 2⁷ = 388469033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (388469141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194234580 + 194234581.

It is an arithmetic number, because the mean of its divisors is an integer number (194234581).

Almost surely, 2^388469161 is an apocalyptic number.

It is an amenable number.

388469161 is a deficient number, since it is larger than the sum of its proper divisors (1).

388469161 is an equidigital number, since it uses as much as digits as its factorization.

388469161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 388469161 is about 19709.6210262907. The cubic root of 388469161 is about 729.6571612129.

The spelling of 388469161 in words is "three hundred eighty-eight million, four hundred sixty-nine thousand, one hundred sixty-one".