4805865 has 32 divisors (see below), whose sum is σ = 8655360. Its totient is φ = 2529792.

The previous prime is 4805861. The next prime is 4805903. The reversal of 4805865 is 5685084.

It is a happy number.

It is not a de Polignac number, because 4805865 - 2² = 4805861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4805861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12912 + ... + 13278.

It is an arithmetic number, because the mean of its divisors is an integer number (270480).

Almost surely, 2^4805865 is an apocalyptic number.

4805865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4805865 is a deficient number, since it is larger than the sum of its proper divisors (3849495).

4805865 is a wasteful number, since it uses less digits than its factorization.

4805865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 4805865 is about 2192.2283184012. The cubic root of 4805865 is about 168.7552097157.

The spelling of 4805865 in words is "four million, eight hundred five thousand, eight hundred sixty-five".