173388 has 12 divisors (see below), whose sum is σ = 404600. Its totient is φ = 57792.

The previous prime is 173359. The next prime is 173429. The reversal of 173388 is 883371.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7213 + ... + 7236.

2¹⁷³³⁸⁸ is an apocalyptic number.

It is an amenable number.

173388 is an abundant number, since it is smaller than the sum of its proper divisors (231212).

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

173388 is a wasteful number, since it uses less digits than its factorization.

173388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14456 (or 14454 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 173388 is about 416.3988472607. The cubic root of 173388 is about 55.7621716606.

It can be divided in two parts, 173 and 388, that added together give a triangular number (561 = T₃₃).

The spelling of 173388 in words is "one hundred seventy-three thousand, three hundred eighty-eight".