4189172 has 18 divisors (see below), whose sum is σ = 7939638. Its totient is φ = 1933152.

The previous prime is 4189153. The next prime is 4189181. The reversal of 4189172 is 2719814.

It can be written as a sum of positive squares in 3 ways, for example, as 11236 + 4177936 = 106^2 + 2044^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2423 + ... + 3774.

It is an arithmetic number, because the mean of its divisors is an integer number (441091).

Almost surely, 2^4189172 is an apocalyptic number.

It is an amenable number.

4189172 is a deficient number, since it is larger than the sum of its proper divisors (3750466).

4189172 is a wasteful number, since it uses less digits than its factorization.

4189172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227 (or 6212 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 4189172 is about 2046.7466868179. The cubic root of 4189172 is about 161.2040928548.

The spelling of 4189172 in words is "four million, one hundred eighty-nine thousand, one hundred seventy-two".