2044191 has 8 divisors (see below), whose sum is σ = 2869120. Its totient is φ = 1291032.

The previous prime is 2044187. The next prime is 2044201. The reversal of 2044191 is 1914402.

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

It is not a de Polignac number, because 2044191 - 2² = 2044187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17875 + ... + 17988.

It is an arithmetic number, because the mean of its divisors is an integer number (358640).

2^2044191 is an apocalyptic number.

2044191 is a deficient number, since it is larger than the sum of its proper divisors (824929).

2044191 is a wasteful number, since it uses less digits than its factorization.

2044191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35885.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2044191 is about 1429.7520764105. The cubic root of 2044191 is about 126.9133059936.

Adding to 2044191 its reverse (1914402), we get a palindrome (3958593).

The spelling of 2044191 in words is "two million, forty-four thousand, one hundred ninety-one".