284748273 has 6 divisors (see below), whose sum is σ = 411303074. Its totient is φ = 189832176.

The previous prime is 284748271. The next prime is 284748287. The reversal of 284748273 is 372847482.

It can be written as a sum of positive squares in only one way, i.e., 284158449 + 589824 = 16857^2 + 768^2 .

It is not a de Polignac number, because 284748273 - 2¹ = 284748271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284748271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15819340 + ... + 15819357.

Almost surely, 2^284748273 is an apocalyptic number.

It is an amenable number.

284748273 is a deficient number, since it is larger than the sum of its proper divisors (126554801).

284748273 is a wasteful number, since it uses less digits than its factorization.

284748273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31638703 (or 31638700 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 284748273 is about 16874.4858588343. The cubic root of 284748273 is about 657.8906278488.

The spelling of 284748273 in words is "two hundred eighty-four million, seven hundred forty-eight thousand, two hundred seventy-three".