389117 has 2 divisors, whose sum is σ = 389118. Its totient is φ = 389116.

The previous prime is 389111. The next prime is 389141. The reversal of 389117 is 711983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290521 + 98596 = 539^2 + 314^2 .

It is an emirp because it is prime and its reverse (711983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389117 - 2¹⁴ = 372733 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194558 + 194559.

It is an arithmetic number, because the mean of its divisors is an integer number (194559).

2³⁸⁹¹¹⁷ is an apocalyptic number.

It is an amenable number.

389117 is a deficient number, since it is larger than the sum of its proper divisors (1).

389117 is an equidigital number, since it uses as much as digits as its factorization.

389117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

The square root of 389117 is about 623.7924334264. The cubic root of 389117 is about 73.0062545464.

The spelling of 389117 in words is "three hundred eighty-nine thousand, one hundred seventeen".