284401485 has 12 divisors (see below), whose sum is σ = 492962652. Its totient is φ = 151680768.

The previous prime is 284401457. The next prime is 284401487. The reversal of 284401485 is 584104482.

It can be written as a sum of positive squares in 2 ways, for example, as 181764324 + 102637161 = 13482^2 + 10131^2 .

It is not a de Polignac number, because 284401485 - 2⁶ = 284401421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284401487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3159972 + ... + 3160061.

It is an arithmetic number, because the mean of its divisors is an integer number (41080221).

Almost surely, 2^284401485 is an apocalyptic number.

It is an amenable number.

284401485 is a deficient number, since it is larger than the sum of its proper divisors (208561167).

284401485 is a wasteful number, since it uses less digits than its factorization.

284401485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320044 (or 6320041 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The square root of 284401485 is about 16864.2072152829. The cubic root of 284401485 is about 657.6234430189.

The spelling of 284401485 in words is "two hundred eighty-four million, four hundred one thousand, four hundred eighty-five".