6481443 has 8 divisors (see below), whose sum is σ = 8731408. Its totient is φ = 4276224.

The previous prime is 6481439. The next prime is 6481457. The reversal of 6481443 is 3441846.

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

It is not a de Polignac number, because 6481443 - 2² = 6481439 is a prime.

It is a Duffinian number.

6481443 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6481443.

It is not an unprimeable number, because it can be changed into a prime (6481463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10846 + ... + 11427.

It is an arithmetic number, because the mean of its divisors is an integer number (1091426).

Almost surely, 2^6481443 is an apocalyptic number.

6481443 is a deficient number, since it is larger than the sum of its proper divisors (2249965).

6481443 is a wasteful number, since it uses less digits than its factorization.

6481443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22373.

The product of its digits is 9216, while the sum is 30.

The square root of 6481443 is about 2545.8678284624. The cubic root of 6481443 is about 186.4477880231.

The spelling of 6481443 in words is "six million, four hundred eighty-one thousand, four hundred forty-three".