173988252 has 36 divisors (see below), whose sum is σ = 445110120. Its totient is φ = 57296352.

The previous prime is 173988239. The next prime is 173988253. The reversal of 173988252 is 252889371.

It is a happy number.

173988252 is a `hidden beast` number, since 1 + 7 + 398 + 8 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 173988198 and 173988207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173988253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26127 + ... + 32102.

It is an arithmetic number, because the mean of its divisors is an integer number (12364170).

Almost surely, 2^173988252 is an apocalyptic number.

173988252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

173988252 is an abundant number, since it is smaller than the sum of its proper divisors (271121868).

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

173988252 is a wasteful number, since it uses less digits than its factorization.

173988252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58322 (or 58317 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 173988252 is about 13190.4606439654. The cubic root of 173988252 is about 558.2644524417.

The spelling of 173988252 in words is "one hundred seventy-three million, nine hundred eighty-eight thousand, two hundred fifty-two".