8000505 has 16 divisors (see below), whose sum is σ = 14223360. Its totient is φ = 4266864.

The previous prime is 8000479. The next prime is 8000507. The reversal of 8000505 is 5050008.

It is not a de Polignac number, because 8000505 - 2⁶ = 8000441 is a prime.

8000505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8000507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29497 + ... + 29766.

It is an arithmetic number, because the mean of its divisors is an integer number (888960).

Almost surely, 2^8000505 is an apocalyptic number.

It is an amenable number.

8000505 is a deficient number, since it is larger than the sum of its proper divisors (6222855).

8000505 is a wasteful number, since it uses less digits than its factorization.

8000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59277 (or 59271 counting only the distinct ones).

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

The square root of 8000505 is about 2828.5163955685. The cubic root of 8000505 is about 200.0042082448.

The spelling of 8000505 in words is "eight million, five hundred five", and thus it is an aban number.