478785 has 16 divisors (see below), whose sum is σ = 780480. Its totient is φ = 250560.

The previous prime is 478769. The next prime is 478787. The reversal of 478785 is 587874.

It is not a de Polignac number, because 478785 - 2⁴ = 478769 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 478785.

It is not an unprimeable number, because it can be changed into a prime (478787) 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, 615 + ... + 1155.

It is an arithmetic number, because the mean of its divisors is an integer number (48780).

2⁴⁷⁸⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

478785 is a deficient number, since it is larger than the sum of its proper divisors (301695).

478785 is a wasteful number, since it uses less digits than its factorization.

478785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its digits is 62720, while the sum is 39.

The square root of 478785 is about 691.9429167207. The cubic root of 478785 is about 78.2312336124.

The spelling of 478785 in words is "four hundred seventy-eight thousand, seven hundred eighty-five".