284002980 has 48 divisors (see below), whose sum is σ = 796340160. Its totient is φ = 75626368.

The previous prime is 284002913. The next prime is 284002987. The reversal of 284002980 is 89200482.

It is not an unprimeable number, because it can be changed into a prime (284002987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 44851 + ... + 50789.

It is an arithmetic number, because the mean of its divisors is an integer number (16590420).

Almost surely, 2^284002980 is an apocalyptic number.

284002980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284002980 is an abundant number, since it is smaller than the sum of its proper divisors (512337180).

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

284002980 is a wasteful number, since it uses less digits than its factorization.

284002980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748 (or 6746 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 284002980 is about 16852.3879613543. The cubic root of 284002980 is about 657.3161441917.

The spelling of 284002980 in words is "two hundred eighty-four million, two thousand, nine hundred eighty".