80443 has 8 divisors (see below), whose sum is σ = 89856. Its totient is φ = 71400.

The previous prime is 80429. The next prime is 80447. The reversal of 80443 is 34408.

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 80443 - 2¹³ = 72251 is a prime.

It is a Duffinian number.

80443 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 80443.

It is not an unprimeable number, because it can be changed into a prime (80447) 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, 730 + ... + 832.

It is an arithmetic number, because the mean of its divisors is an integer number (11232).

2⁸⁰⁴⁴³ is an apocalyptic number.

80443 is a deficient number, since it is larger than the sum of its proper divisors (9413).

80443 is a wasteful number, since it uses less digits than its factorization.

80443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 80443 is about 283.6247520933. The cubic root of 80443 is about 43.1680819904.

The spelling of 80443 in words is "eighty thousand, four hundred forty-three".