284400912 has 40 divisors (see below), whose sum is σ = 760040640. Its totient is φ = 91530880.

The previous prime is 284400899. The next prime is 284400923. The reversal of 284400912 is 219004482.

It is a self number, because there is not a number n which added to its sum of digits gives 284400912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100764 + ... + 103547.

It is an arithmetic number, because the mean of its divisors is an integer number (19001016).

Almost surely, 2^284400912 is an apocalyptic number.

It is an amenable number.

284400912 is an abundant number, since it is smaller than the sum of its proper divisors (475639728).

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

284400912 is a wasteful number, since it uses less digits than its factorization.

284400912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204351 (or 204345 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 284400912 is about 16864.1902266311. The cubic root of 284400912 is about 657.6230013681.

The spelling of 284400912 in words is "two hundred eighty-four million, four hundred thousand, nine hundred twelve".