2438189 has 12 divisors (see below), whose sum is σ = 2718324. Its totient is φ = 2173824.

The previous prime is 2438179. The next prime is 2438203. The reversal of 2438189 is 9818342.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 218089 + 2220100 = 467^2 + 1490^2 .

It is not a de Polignac number, because 2438189 - 2⁴ = 2438173 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2438179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17729 + ... + 17865.

It is an arithmetic number, because the mean of its divisors is an integer number (226527).

2^2438189 is an apocalyptic number.

It is an amenable number.

2438189 is a deficient number, since it is larger than the sum of its proper divisors (280135).

2438189 is a wasteful number, since it uses less digits than its factorization.

2438189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 187 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 2438189 is about 1561.4701406047. The cubic root of 2438189 is about 134.5929945640.

The spelling of 2438189 in words is "two million, four hundred thirty-eight thousand, one hundred eighty-nine".