284023609 has 9 divisors (see below), whose sum is σ = 300097317. Its totient is φ = 268771644.

The previous prime is 284023591. The next prime is 284023627. The reversal of 284023609 is 906320482.

The square root of 284023609 is 16853.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (284023591) and next prime (284023627).

It is not a de Polignac number, because 284023609 - 2⁵ = 284023577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284023309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 319764 + ... + 320650.

Almost surely, 2^284023609 is an apocalyptic number.

284023609 is the 16853-rd square number.

284023609 is the 8427-th centered octagonal number.

It is an amenable number.

284023609 is a deficient number, since it is larger than the sum of its proper divisors (16073708).

284023609 is an frugal number, since it uses more digits than its factorization.

284023609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The cubic root of 284023609 is about 657.3320588679.

Multiplying 284023609 by its product of nonzero digits (20736), we get a square (5889513556224 = 2426832²).

The spelling of 284023609 in words is "two hundred eighty-four million, twenty-three thousand, six hundred nine".