173889039 has 16 divisors (see below), whose sum is σ = 256165632. Its totient is φ = 104362368.

The previous prime is 173889019. The next prime is 173889059. The reversal of 173889039 is 930988371.

It is an interprime number because it is at equal distance from previous prime (173889019) and next prime (173889059).

It is not a de Polignac number, because 173889039 - 2⁸ = 173888783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173889019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72949 + ... + 75294.

It is an arithmetic number, because the mean of its divisors is an integer number (16010352).

Almost surely, 2^173889039 is an apocalyptic number.

173889039 is a deficient number, since it is larger than the sum of its proper divisors (82276593).

173889039 is a wasteful number, since it uses less digits than its factorization.

173889039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148286.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 173889039 is about 13186.6993216650. The cubic root of 173889039 is about 558.1583195628.

The spelling of 173889039 in words is "one hundred seventy-three million, eight hundred eighty-nine thousand, thirty-nine".