174389 has 2 divisors, whose sum is σ = 174390. Its totient is φ = 174388.

The previous prime is 174367. The next prime is 174407. The reversal of 174389 is 983471.

174389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128164 + 46225 = 358^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 174389 - 2¹² = 170293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (174329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87194 + 87195.

It is an arithmetic number, because the mean of its divisors is an integer number (87195).

2¹⁷⁴³⁸⁹ is an apocalyptic number.

It is an amenable number.

174389 is a deficient number, since it is larger than the sum of its proper divisors (1).

174389 is an equidigital number, since it uses as much as digits as its factorization.

174389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 174389 is about 417.5990900373. The cubic root of 174389 is about 55.8692741540.

The spelling of 174389 in words is "one hundred seventy-four thousand, three hundred eighty-nine".