285934 has 16 divisors (see below), whose sum is σ = 480816. Its totient is φ = 126400.

The previous prime is 285871. The next prime is 285937. The reversal of 285934 is 439582.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 285896 and 285905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285937) 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 7 ways as a sum of consecutive naturals, for example, 744 + ... + 1060.

It is an arithmetic number, because the mean of its divisors is an integer number (30051).

2²⁸⁵⁹³⁴ is an apocalyptic number.

285934 is a deficient number, since it is larger than the sum of its proper divisors (194882).

285934 is a wasteful number, since it uses less digits than its factorization.

285934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its digits is 8640, while the sum is 31.

The square root of 285934 is about 534.7279682231. The cubic root of 285934 is about 65.8802542536.

The spelling of 285934 in words is "two hundred eighty-five thousand, nine hundred thirty-four".