173889216 has 84 divisors (see below), whose sum is σ = 524687800. Its totient is φ = 54908928.

The previous prime is 173889211. The next prime is 173889227. The reversal of 173889216 is 612988371.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173889211) 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 11 ways as a sum of consecutive naturals, for example, 3000 + ... + 18888.

Almost surely, 2^173889216 is an apocalyptic number.

173889216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173889216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262343900).

173889216 is an abundant number, since it is smaller than the sum of its proper divisors (350798584).

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

173889216 is a wasteful number, since it uses less digits than its factorization.

173889216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15926 (or 15913 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 173889216 is about 13186.7060329712. The cubic root of 173889216 is about 558.1585089441.

The spelling of 173889216 in words is "one hundred seventy-three million, eight hundred eighty-nine thousand, two hundred sixteen".