808243 has 4 divisors (see below), whose sum is σ = 843408. Its totient is φ = 773080.

The previous prime is 808237. The next prime is 808261. The reversal of 808243 is 342808.

808243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 808243 - 2⁵ = 808211 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (808343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17548 + ... + 17593.

It is an arithmetic number, because the mean of its divisors is an integer number (210852).

2⁸⁰⁸²⁴³ is an apocalyptic number.

808243 is a deficient number, since it is larger than the sum of its proper divisors (35165).

808243 is a wasteful number, since it uses less digits than its factorization.

808243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35164.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 808243 is about 899.0233589846. The cubic root of 808243 is about 93.1495262937.

The spelling of 808243 in words is "eight hundred eight thousand, two hundred forty-three".