173839 has 2 divisors, whose sum is σ = 173840. Its totient is φ = 173838.

The previous prime is 173827. The next prime is 173851. The reversal of 173839 is 938371.

It is a balanced prime because it is at equal distance from previous prime (173827) and next prime (173851).

It is a cyclic number.

It is not a de Polignac number, because 173839 - 2⁵ = 173807 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 173839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (173819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86919 + 86920.

It is an arithmetic number, because the mean of its divisors is an integer number (86920).

2¹⁷³⁸³⁹ is an apocalyptic number.

173839 is a deficient number, since it is larger than the sum of its proper divisors (1).

173839 is an equidigital number, since it uses as much as digits as its factorization.

173839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 173839 is about 416.9400436514. The cubic root of 173839 is about 55.8104775142.

The spelling of 173839 in words is "one hundred seventy-three thousand, eight hundred thirty-nine".