4172189 has 4 divisors (see below), whose sum is σ = 4768224. Its totient is φ = 3576156.

The previous prime is 4172183. The next prime is 4172239. The reversal of 4172189 is 9812714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4172189 - 2⁸ = 4171933 is a prime.

It is a super-2 number, since 2×4172189² = 34814322103442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172183) 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, 298007 + ... + 298020.

It is an arithmetic number, because the mean of its divisors is an integer number (1192056).

Almost surely, 2^4172189 is an apocalyptic number.

It is an amenable number.

4172189 is a deficient number, since it is larger than the sum of its proper divisors (596035).

4172189 is an equidigital number, since it uses as much as digits as its factorization.

4172189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596034.

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

The square root of 4172189 is about 2042.5936943014. The cubic root of 4172189 is about 160.9859561069.

The spelling of 4172189 in words is "four million, one hundred seventy-two thousand, one hundred eighty-nine".