4044189 has 4 divisors (see below), whose sum is σ = 5392256. Its totient is φ = 2696124.

The previous prime is 4044179. The next prime is 4044217. The reversal of 4044189 is 9814404.

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 4044189 - 2¹² = 4040093 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044179) 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, 674029 + ... + 674034.

It is an arithmetic number, because the mean of its divisors is an integer number (1348064).

Almost surely, 2^4044189 is an apocalyptic number.

It is an amenable number.

4044189 is a deficient number, since it is larger than the sum of its proper divisors (1348067).

4044189 is a wasteful number, since it uses less digits than its factorization.

4044189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348066.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 4044189 is about 2011.0169069404. The cubic root of 4044189 is about 159.3225129739.

The spelling of 4044189 in words is "four million, forty-four thousand, one hundred eighty-nine".