478805 has 16 divisors (see below), whose sum is σ = 627264. Its totient is φ = 349440.

The previous prime is 478801. The next prime is 478811. The reversal of 478805 is 508874.

It is not a de Polignac number, because 478805 - 2² = 478801 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 (478801) 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 15 ways as a sum of consecutive naturals, for example, 3590 + ... + 3720.

It is an arithmetic number, because the mean of its divisors is an integer number (39204).

2⁴⁷⁸⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

478805 is a deficient number, since it is larger than the sum of its proper divisors (148459).

478805 is a wasteful number, since it uses less digits than its factorization.

478805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 478805 is about 691.9573686290. The cubic root of 478805 is about 78.2323228995.

The spelling of 478805 in words is "four hundred seventy-eight thousand, eight hundred five".