389161 has 2 divisors, whose sum is σ = 389162. Its totient is φ = 389160.

The previous prime is 389149. The next prime is 389167. The reversal of 389161 is 161983.

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., 384400 + 4761 = 620^2 + 69^2 .

It is an emirp because it is prime and its reverse (161983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389161 is a prime.

389161 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194580 + 194581.

It is an arithmetic number, because the mean of its divisors is an integer number (194581).

2³⁸⁹¹⁶¹ is an apocalyptic number.

It is an amenable number.

389161 is a deficient number, since it is larger than the sum of its proper divisors (1).

389161 is an equidigital number, since it uses as much as digits as its factorization.

389161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 389161 is about 623.8277005712. The cubic root of 389161 is about 73.0090062073.

The spelling of 389161 in words is "three hundred eighty-nine thousand, one hundred sixty-one".