284969 has 2 divisors, whose sum is σ = 284970. Its totient is φ = 284968.

The previous prime is 284957. The next prime is 284989. The reversal of 284969 is 969482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 34969 = 500^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 284969 - 2¹⁶ = 219433 is a prime.

It is a super-2 number, since 2×284969² = 162414661922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (284989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142484 + 142485.

It is an arithmetic number, because the mean of its divisors is an integer number (142485).

2²⁸⁴⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

284969 is a deficient number, since it is larger than the sum of its proper divisors (1).

284969 is an equidigital number, since it uses as much as digits as its factorization.

284969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 284969 is about 533.8248776518. The cubic root of 284969 is about 65.8060575288.

The spelling of 284969 in words is "two hundred eighty-four thousand, nine hundred sixty-nine".