4218189 has 8 divisors (see below), whose sum is σ = 5646240. Its totient is φ = 2801136.

The previous prime is 4218173. The next prime is 4218199. The reversal of 4218189 is 9818124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4218189 - 2⁴ = 4218173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (705780).

Almost surely, 2^4218189 is an apocalyptic number.

It is an amenable number.

4218189 is a deficient number, since it is larger than the sum of its proper divisors (1428051).

4218189 is a wasteful number, since it uses less digits than its factorization.

4218189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499.

The product of its digits is 4608, while the sum is 33.

The square root of 4218189 is about 2053.8230206130. The cubic root of 4218189 is about 161.5754391365.

The spelling of 4218189 in words is "four million, two hundred eighteen thousand, one hundred eighty-nine".