285340282 has 8 divisors (see below), whose sum is σ = 432166176. Its totient is φ = 141284892.

The previous prime is 285340261. The next prime is 285340301. The reversal of 285340282 is 282043582.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 692368 + ... + 692779.

It is an arithmetic number, because the mean of its divisors is an integer number (54020772).

Almost surely, 2^285340282 is an apocalyptic number.

285340282 is a deficient number, since it is larger than the sum of its proper divisors (146825894).

285340282 is a wasteful number, since it uses less digits than its factorization.

285340282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385252.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 285340282 is about 16892.0182926730. The cubic root of 285340282 is about 658.3462438031.

The spelling of 285340282 in words is "two hundred eighty-five million, three hundred forty thousand, two hundred eighty-two".