285424334 has 16 divisors (see below), whose sum is σ = 461773872. Its totient is φ = 131533248.

The previous prime is 285424313. The next prime is 285424357. The reversal of 285424334 is 433424582.

It is a junction number, because it is equal to n+sod(n) for n = 285424294 and 285424303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9722 + ... + 25794.

It is an arithmetic number, because the mean of its divisors is an integer number (28860867).

Almost surely, 2^285424334 is an apocalyptic number.

285424334 is a deficient number, since it is larger than the sum of its proper divisors (176349538).

285424334 is a wasteful number, since it uses less digits than its factorization.

285424334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16771.

The product of its digits is 92160, while the sum is 35.

The square root of 285424334 is about 16894.5060300679. The cubic root of 285424334 is about 658.4108799464.

The spelling of 285424334 in words is "two hundred eighty-five million, four hundred twenty-four thousand, three hundred thirty-four".