284653485 has 12 divisors (see below), whose sum is σ = 493399452. Its totient is φ = 151815168.

The previous prime is 284653483. The next prime is 284653489. The reversal of 284653485 is 584356482.

It can be written as a sum of positive squares in 2 ways, for example, as 167883849 + 116769636 = 12957^2 + 10806^2 .

It is not a de Polignac number, because 284653485 - 2¹ = 284653483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 6325633 = 284653485 / (2 + 8 + 4 + 6 + 5 + 3 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 284653485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284653483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3162772 + ... + 3162861.

It is an arithmetic number, because the mean of its divisors is an integer number (41116621).

Almost surely, 2^284653485 is an apocalyptic number.

It is an amenable number.

284653485 is a deficient number, since it is larger than the sum of its proper divisors (208745967).

284653485 is a wasteful number, since it uses less digits than its factorization.

284653485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325644 (or 6325641 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 284653485 is about 16871.6770061544. The cubic root of 284653485 is about 657.8176194368.

The spelling of 284653485 in words is "two hundred eighty-four million, six hundred fifty-three thousand, four hundred eighty-five".