285476 has 24 divisors (see below), whose sum is σ = 544320. Its totient is φ = 130592.

The previous prime is 285473. The next prime is 285497. The reversal of 285476 is 674582.

It is a d-powerful number, because it can be written as 2¹¹ + 8 + 4² + 5⁵ + 7³ + 6⁷ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 285476.

It is not an unprimeable number, because it can be changed into a prime (285473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615 + ... + 2721.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2²⁸⁵⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

285476 is a deficient number, since it is larger than the sum of its proper divisors (258844).

285476 is a wasteful number, since it uses less digits than its factorization.

285476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 161 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 285476 is about 534.2995414559. The cubic root of 285476 is about 65.8450604899.

The spelling of 285476 in words is "two hundred eighty-five thousand, four hundred seventy-six".