284648269 has 2 divisors, whose sum is σ = 284648270. Its totient is φ = 284648268.

The previous prime is 284648267. The next prime is 284648279. The reversal of 284648269 is 962846482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267715044 + 16933225 = 16362^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 284648269 - 2¹ = 284648267 is a prime.

It is a super-2 number, since 2×284648269² = 162049274089392722, which contains 22 as substring.

Together with 284648267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284648267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142324134 + 142324135.

It is an arithmetic number, because the mean of its divisors is an integer number (142324135).

Almost surely, 2^284648269 is an apocalyptic number.

It is an amenable number.

284648269 is a deficient number, since it is larger than the sum of its proper divisors (1).

284648269 is an equidigital number, since it uses as much as digits as its factorization.

284648269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 49.

The square root of 284648269 is about 16871.5224268588. The cubic root of 284648269 is about 657.8136014549.

It can be divided in two parts, 2846 and 48269, that added together give a palindrome (51115).

The spelling of 284648269 in words is "two hundred eighty-four million, six hundred forty-eight thousand, two hundred sixty-nine".