173608 has 8 divisors (see below), whose sum is σ = 325530. Its totient is φ = 86800.

The previous prime is 173599. The next prime is 173617. The reversal of 173608 is 806371.

It is an interprime number because it is at equal distance from previous prime (173599) and next prime (173617).

It can be written as a sum of positive squares in only one way, i.e., 116964 + 56644 = 342^2 + 238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10843 + ... + 10858.

2¹⁷³⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

173608 is a deficient number, since it is larger than the sum of its proper divisors (151922).

173608 is a wasteful number, since it uses less digits than its factorization.

173608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21707 (or 21703 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 173608 is about 416.6629333166. The cubic root of 173608 is about 55.7857459427.

Adding to 173608 its reverse (806371), we get a palindrome (979979).

The spelling of 173608 in words is "one hundred seventy-three thousand, six hundred eight".