284239982 has 16 divisors (see below), whose sum is σ = 459799872. Its totient is φ = 131004000.

The previous prime is 284239927. The next prime is 284239997. The reversal of 284239982 is 289932482.

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, 12248 + ... + 26804.

It is an arithmetic number, because the mean of its divisors is an integer number (28737492).

Almost surely, 2^284239982 is an apocalyptic number.

284239982 is a deficient number, since it is larger than the sum of its proper divisors (175559890).

284239982 is a wasteful number, since it uses less digits than its factorization.

284239982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15323.

The product of its digits is 497664, while the sum is 47.

The square root of 284239982 is about 16859.4181987398. The cubic root of 284239982 is about 657.4989379618.

It can be divided in two parts, 2842 and 39982, that added together give a palindrome (42824).

The spelling of 284239982 in words is "two hundred eighty-four million, two hundred thirty-nine thousand, nine hundred eighty-two".