424172 has 12 divisors (see below), whose sum is σ = 848400. Its totient is φ = 181776.

The previous prime is 424169. The next prime is 424187. The reversal of 424172 is 271424.

424172 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7547 + ... + 7602.

It is an arithmetic number, because the mean of its divisors is an integer number (70700).

2⁴²⁴¹⁷² is an apocalyptic number.

It is an amenable number.

424172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

424172 is a wasteful number, since it uses less digits than its factorization.

424172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15160 (or 15158 counting only the distinct ones).

The product of its digits is 448, while the sum is 20.

The square root of 424172 is about 651.2848839026. The cubic root of 424172 is about 75.1358722197.

Adding to 424172 its reverse (271424), we get a palindrome (695596).

The spelling of 424172 in words is "four hundred twenty-four thousand, one hundred seventy-two", and thus it is an iban number.