284928842 has 16 divisors (see below), whose sum is σ = 467262432. Its totient is φ = 129231120.

The previous prime is 284928841. The next prime is 284928881. The reversal of 284928842 is 248829482.

It is not an unprimeable number, because it can be changed into a prime (284928841) 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, 3593 + ... + 24140.

It is an arithmetic number, because the mean of its divisors is an integer number (29203902).

Almost surely, 2^284928842 is an apocalyptic number.

284928842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

284928842 is a deficient number, since it is larger than the sum of its proper divisors (182333590).

284928842 is a wasteful number, since it uses less digits than its factorization.

284928842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28213.

The product of its digits is 589824, while the sum is 47.

The square root of 284928842 is about 16879.8353664957. The cubic root of 284928842 is about 658.0296624070.

The spelling of 284928842 in words is "two hundred eighty-four million, nine hundred twenty-eight thousand, eight hundred forty-two".