284545636 has 12 divisors (see below), whose sum is σ = 498194620. Its totient is φ = 142204320.

The previous prime is 284545603. The next prime is 284545687. The reversal of 284545636 is 636545482.

284545636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 68161536 + 216384100 = 8256^2 + 14710^2 .

It is a junction number, because it is equal to n+sod(n) for n = 284545592 and 284545601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7131 + ... + 24898.

Almost surely, 2^284545636 is an apocalyptic number.

It is an amenable number.

284545636 is a deficient number, since it is larger than the sum of its proper divisors (213648984).

284545636 is a wasteful number, since it uses less digits than its factorization.

284545636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34254 (or 34252 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The square root of 284545636 is about 16868.4805480517. The cubic root of 284545636 is about 657.7345313574.

The spelling of 284545636 in words is "two hundred eighty-four million, five hundred forty-five thousand, six hundred thirty-six".