6191444 has 36 divisors (see below), whose sum is σ = 13023360. Its totient is φ = 2565360.

The previous prime is 6191443. The next prime is 6191461. The reversal of 6191444 is 4441916.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6191443) 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 11 ways as a sum of consecutive naturals, for example, 5567 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (361760).

Almost surely, 2^6191444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6191444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6511680).

6191444 is an abundant number, since it is smaller than the sum of its proper divisors (6831916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6191444 is a wasteful number, since it uses less digits than its factorization.

6191444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1059 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 6191444 is about 2488.2612403042. The cubic root of 6191444 is about 183.6245099335.

The spelling of 6191444 in words is "six million, one hundred ninety-one thousand, four hundred forty-four".