173939238 has 40 divisors (see below), whose sum is σ = 425189160. Its totient is φ = 52708320.

The previous prime is 173939231. The next prime is 173939239. The reversal of 173939238 is 832939371.

It is a junction number, because it is equal to n+sod(n) for n = 173939193 and 173939202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173939231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47023 + ... + 50586.

It is an arithmetic number, because the mean of its divisors is an integer number (10629729).

Almost surely, 2^173939238 is an apocalyptic number.

173939238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

173939238 is an abundant number, since it is smaller than the sum of its proper divisors (251249922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173939238 is a wasteful number, since it uses less digits than its factorization.

173939238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97634 (or 97625 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 173939238 is about 13188.6025795002. The cubic root of 173939238 is about 558.2120248718.

The spelling of 173939238 in words is "one hundred seventy-three million, nine hundred thirty-nine thousand, two hundred thirty-eight".