284484469 has 2 divisors, whose sum is σ = 284484470. Its totient is φ = 284484468.

The previous prime is 284484437. The next prime is 284484481. The reversal of 284484469 is 964484482.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247432900 + 37051569 = 15730^2 + 6087^2 .

It is a cyclic number.

It is not a de Polignac number, because 284484469 - 2⁵ = 284484437 is a prime.

It is a super-2 number, since 2×284484469² = 161862826204423922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284484569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142242234 + 142242235.

It is an arithmetic number, because the mean of its divisors is an integer number (142242235).

Almost surely, 2^284484469 is an apocalyptic number.

It is an amenable number.

284484469 is a deficient number, since it is larger than the sum of its proper divisors (1).

284484469 is an equidigital number, since it uses as much as digits as its factorization.

284484469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1769472, while the sum is 49.

The square root of 284484469 is about 16866.6673945981. The cubic root of 284484469 is about 657.6873982838.

The spelling of 284484469 in words is "two hundred eighty-four million, four hundred eighty-four thousand, four hundred sixty-nine".