6416443 has 8 divisors (see below), whose sum is σ = 7047936. Its totient is φ = 5793000.

The previous prime is 6416437. The next prime is 6416447. The reversal of 6416443 is 3446146.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6416443 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6416447) 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, 271 + ... + 3592.

It is an arithmetic number, because the mean of its divisors is an integer number (880992).

Almost surely, 2^6416443 is an apocalyptic number.

6416443 is a deficient number, since it is larger than the sum of its proper divisors (631493).

6416443 is a wasteful number, since it uses less digits than its factorization.

6416443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its digits is 6912, while the sum is 28.

The square root of 6416443 is about 2533.0698766516. The cubic root of 6416443 is about 185.8224207945.

It can be divided in two parts, 6416 and 443, that added together give a cube (6859 = 19³).

The spelling of 6416443 in words is "six million, four hundred sixteen thousand, four hundred forty-three".