284485474 has 72 divisors (see below), whose sum is σ = 546375780. Its totient is φ = 110702592.

The previous prime is 284485469. The next prime is 284485477. The reversal of 284485474 is 474584482.

It can be written as a sum of positive squares in 6 ways, for example, as 2480625 + 282004849 = 1575^2 + 16793^2 .

It is not an unprimeable number, because it can be changed into a prime (284485477) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1473922 + ... + 1474114.

Almost surely, 2^284485474 is an apocalyptic number.

284485474 is a deficient number, since it is larger than the sum of its proper divisors (261890306).

284485474 is a wasteful number, since it uses less digits than its factorization.

284485474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 304 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 46.

The square root of 284485474 is about 16866.6971870607. The cubic root of 284485474 is about 657.6881727549.

The spelling of 284485474 in words is "two hundred eighty-four million, four hundred eighty-five thousand, four hundred seventy-four".