6541444 has 24 divisors (see below), whose sum is σ = 14090048. Its totient is φ = 2587680.

The previous prime is 6541441. The next prime is 6541477. The reversal of 6541444 is 4441456.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (6541441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8622 + ... + 9349.

Almost surely, 2^6541444 is an apocalyptic number.

It is an amenable number.

6541444 is an abundant number, since it is smaller than the sum of its proper divisors (7548604).

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

6541444 is a wasteful number, since it uses less digits than its factorization.

6541444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17995 (or 17993 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 6541444 is about 2557.6246792679. The cubic root of 6541444 is about 187.0213593378.

The spelling of 6541444 in words is "six million, five hundred forty-one thousand, four hundred forty-four".