284868469 has 2 divisors, whose sum is σ = 284868470. Its totient is φ = 284868468.

The previous prime is 284868449. The next prime is 284868497. The reversal of 284868469 is 964868482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229886244 + 54982225 = 15162^2 + 7415^2 .

It is a cyclic number.

It is not a de Polignac number, because 284868469 - 2⁷ = 284868341 is a prime.

It is a super-2 number, since 2×284868469² = 162300089260807922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284868449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142434234 + 142434235.

It is an arithmetic number, because the mean of its divisors is an integer number (142434235).

Almost surely, 2^284868469 is an apocalyptic number.

It is an amenable number.

284868469 is a deficient number, since it is larger than the sum of its proper divisors (1).

284868469 is an equidigital number, since it uses as much as digits as its factorization.

284868469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 55.

The square root of 284868469 is about 16878.0469545502. The cubic root of 284868469 is about 657.9831829296.

It can be divided in two parts, 2848 and 68469, that added together give a palindrome (71317).

The spelling of 284868469 in words is "two hundred eighty-four million, eight hundred sixty-eight thousand, four hundred sixty-nine".