8045805 has 16 divisors (see below), whose sum is σ = 12930624. Its totient is φ = 4272000.

The previous prime is 8045801. The next prime is 8045809. The reversal of 8045805 is 5085408.

It is an interprime number because it is at equal distance from previous prime (8045801) and next prime (8045809).

It is not a de Polignac number, because 8045805 - 2² = 8045801 is a prime.

It is a Curzon number.

8045805 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8045801) 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, 2697 + ... + 4833.

It is an arithmetic number, because the mean of its divisors is an integer number (808164).

Almost surely, 2^8045805 is an apocalyptic number.

It is an amenable number.

8045805 is a deficient number, since it is larger than the sum of its proper divisors (4884819).

8045805 is a wasteful number, since it uses less digits than its factorization.

8045805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 8045805 is about 2836.5128238737. The cubic root of 8045805 is about 200.3809821356.

The spelling of 8045805 in words is "eight million, forty-five thousand, eight hundred five".