3018189 has 4 divisors (see below), whose sum is σ = 4024256. Its totient is φ = 2012124.

The previous prime is 3018187. The next prime is 3018217. The reversal of 3018189 is 9818103.

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 not a de Polignac number, because 3018189 - 2¹ = 3018187 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

3018189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3018181) 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, 503029 + ... + 503034.

It is an arithmetic number, because the mean of its divisors is an integer number (1006064).

Almost surely, 2^3018189 is an apocalyptic number.

It is an amenable number.

3018189 is a deficient number, since it is larger than the sum of its proper divisors (1006067).

3018189 is a wasteful number, since it uses less digits than its factorization.

3018189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006066.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 3018189 is about 1737.2935848612. The cubic root of 3018189 is about 144.5158485668.

The spelling of 3018189 in words is "three million, eighteen thousand, one hundred eighty-nine".