8485805 has 8 divisors (see below), whose sum is σ = 10782072. Its totient is φ = 6389248.

The previous prime is 8485801. The next prime is 8485817. The reversal of 8485805 is 5085848.

It can be written as a sum of positive squares in 4 ways, for example, as 1054729 + 7431076 = 1027^2 + 2726^2 .

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 8485805 - 2² = 8485801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8485801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49832 + ... + 50001.

It is an arithmetic number, because the mean of its divisors is an integer number (1347759).

Almost surely, 2^8485805 is an apocalyptic number.

8485805 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8485805 is a deficient number, since it is larger than the sum of its proper divisors (2296267).

8485805 is a wasteful number, since it uses less digits than its factorization.

8485805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99855.

The product of its (nonzero) digits is 51200, while the sum is 38.

The square root of 8485805 is about 2913.0405077856. The cubic root of 8485805 is about 203.9690857294.

The spelling of 8485805 in words is "eight million, four hundred eighty-five thousand, eight hundred five".