805005 has 32 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 418176.

The previous prime is 804997. The next prime is 805019. The reversal of 805005 is 500508.

It is not a de Polignac number, because 805005 - 2³ = 804997 is a prime.

805005 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9001 + ... + 9089.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2⁸⁰⁵⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

805005 is a deficient number, since it is larger than the sum of its proper divisors (663795).

805005 is a wasteful number, since it uses less digits than its factorization.

805005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 805005 is about 897.2207086331. The cubic root of 805005 is about 93.0249672820.

The spelling of 805005 in words is "eight hundred five thousand, five".