171992484 has 144 divisors (see below), whose sum is σ = 485139200. Its totient is φ = 53117856.

The previous prime is 171992477. The next prime is 171992497. The reversal of 171992484 is 484299171.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1237287 + ... + 1237425.

Almost surely, 2^171992484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171992484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242569600).

171992484 is an abundant number, since it is smaller than the sum of its proper divisors (313146716).

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

171992484 is a wasteful number, since it uses less digits than its factorization.

171992484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 230 counting only the distinct ones).

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

The square root of 171992484 is about 13114.5905006599. The cubic root of 171992484 is about 556.1216760082.

It can be divided in two parts, 17199 and 2484, that added together give a 9-th power (19683 = 3⁹).

The spelling of 171992484 in words is "one hundred seventy-one million, nine hundred ninety-two thousand, four hundred eighty-four".