171424 has 24 divisors (see below), whose sum is σ = 368928. Its totient is φ = 77760.

The previous prime is 171403. The next prime is 171427. The reversal of 171424 is 424171.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (171427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 595.

It is an arithmetic number, because the mean of its divisors is an integer number (15372).

2¹⁷¹⁴²⁴ 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 171424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184464).

171424 is an abundant number, since it is smaller than the sum of its proper divisors (197504).

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

171424 is a wasteful number, since it uses less digits than its factorization.

171424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 500 counting only the distinct ones).

The product of its digits is 224, while the sum is 19.

The square root of 171424 is about 414.0338150441. The cubic root of 171424 is about 55.5508286349.

Subtracting from 171424 its sum of digits (19), we obtain a triangular number (171405 = T₅₈₅).

Adding to 171424 its reverse (424171), we get a palindrome (595595).

It can be divided in two parts, 171 and 424, that added together give a palindrome (595).

The spelling of 171424 in words is "one hundred seventy-one thousand, four hundred twenty-four", and thus it is an iban number.