806443 has 8 divisors (see below), whose sum is σ = 887040. Its totient is φ = 727080.

The previous prime is 806389. The next prime is 806447. The reversal of 806443 is 344608.

806443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 806443 - 2¹³ = 798251 is a prime.

806443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (806447) 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, 1618 + ... + 2056.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2⁸⁰⁶⁴⁴³ is an apocalyptic number.

806443 is a deficient number, since it is larger than the sum of its proper divisors (80597).

806443 is a wasteful number, since it uses less digits than its factorization.

806443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 806443 is about 898.0217146595. The cubic root of 806443 is about 93.0803252527.

The spelling of 806443 in words is "eight hundred six thousand, four hundred forty-three".