284680080 has 120 divisors (see below), whose sum is σ = 960236160. Its totient is φ = 75582720.

The previous prime is 284680069. The next prime is 284680087. The reversal of 284680080 is 80086482.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (284680087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194391 + ... + 195849.

It is an arithmetic number, because the mean of its divisors is an integer number (8001968).

Almost surely, 2^284680080 is an apocalyptic number.

284680080 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 284680080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480118080).

284680080 is an abundant number, since it is smaller than the sum of its proper divisors (675556080).

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

284680080 is a wasteful number, since it uses less digits than its factorization.

284680080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 284680080 is about 16872.4651429481. The cubic root of 284680080 is about 657.8381052974.

The spelling of 284680080 in words is "two hundred eighty-four million, six hundred eighty thousand, eighty".