284708480 has 128 divisors (see below), whose sum is σ = 786689280. Its totient is φ = 96509952.

The previous prime is 284708477. The next prime is 284708491. The reversal of 284708480 is 84807482.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461132 + ... + 461748.

It is an arithmetic number, because the mean of its divisors is an integer number (6146010).

Almost surely, 2^284708480 is an apocalyptic number.

284708480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284708480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393344640).

284708480 is an abundant number, since it is smaller than the sum of its proper divisors (501980800).

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

284708480 is a wasteful number, since it uses less digits than its factorization.

284708480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 284708480 is about 16873.3067298618. The cubic root of 284708480 is about 657.8599801226.

The spelling of 284708480 in words is "two hundred eighty-four million, seven hundred eight thousand, four hundred eighty".