389149 has 2 divisors, whose sum is σ = 389150. Its totient is φ = 389148.

The previous prime is 389141. The next prime is 389161. The reversal of 389149 is 941983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381924 + 7225 = 618^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 389149 - 2³ = 389141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194574 + 194575.

It is an arithmetic number, because the mean of its divisors is an integer number (194575).

2³⁸⁹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

389149 is a deficient number, since it is larger than the sum of its proper divisors (1).

389149 is an equidigital number, since it uses as much as digits as its factorization.

389149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 389149 is about 623.8180824567. The cubic root of 389149 is about 73.0082557749.

The spelling of 389149 in words is "three hundred eighty-nine thousand, one hundred forty-nine".