284428908 has 30 divisors (see below), whose sum is σ = 743554196. Its totient is φ = 94809528.

The previous prime is 284428901. The next prime is 284428919. The reversal of 284428908 is 809824482.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (284428901) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 438610 + ... + 439257.

Almost surely, 2^284428908 is an apocalyptic number.

It is an amenable number.

284428908 is an abundant number, since it is smaller than the sum of its proper divisors (459125288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284428908 is a wasteful number, since it uses less digits than its factorization.

284428908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877883 (or 877872 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 284428908 is about 16865.0202490243. The cubic root of 284428908 is about 657.6445791346.

The spelling of 284428908 in words is "two hundred eighty-four million, four hundred twenty-eight thousand, nine hundred eight".