284669669 has 2 divisors, whose sum is σ = 284669670. Its totient is φ = 284669668.

The previous prime is 284669659. The next prime is 284669701. The reversal of 284669669 is 966966482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281904100 + 2765569 = 16790^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 284669669 - 2¹² = 284665573 is a prime.

It is a super-2 number, since 2×284669669² = 162073640897139122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284669639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142334834 + 142334835.

It is an arithmetic number, because the mean of its divisors is an integer number (142334835).

Almost surely, 2^284669669 is an apocalyptic number.

It is an amenable number.

284669669 is a deficient number, since it is larger than the sum of its proper divisors (1).

284669669 is an equidigital number, since it uses as much as digits as its factorization.

284669669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 56.

The square root of 284669669 is about 16872.1566197093. The cubic root of 284669669 is about 657.8300859609.

The spelling of 284669669 in words is "two hundred eighty-four million, six hundred sixty-nine thousand, six hundred sixty-nine".