284449069 has 2 divisors, whose sum is σ = 284449070. Its totient is φ = 284449068.

The previous prime is 284449063. The next prime is 284449091. The reversal of 284449069 is 960944482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245548900 + 38900169 = 15670^2 + 6237^2 .

It is a cyclic number.

It is not a de Polignac number, because 284449069 - 2⁵ = 284449037 is a prime.

It is a super-2 number, since 2×284449069² = 161822545709933522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284449063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142224534 + 142224535.

It is an arithmetic number, because the mean of its divisors is an integer number (142224535).

Almost surely, 2^284449069 is an apocalyptic number.

It is an amenable number.

284449069 is a deficient number, since it is larger than the sum of its proper divisors (1).

284449069 is an equidigital number, since it uses as much as digits as its factorization.

284449069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 284449069 is about 16865.6179548809. The cubic root of 284449069 is about 657.6601172401.

The spelling of 284449069 in words is "two hundred eighty-four million, four hundred forty-nine thousand, sixty-nine".