284990608 has 80 divisors (see below), whose sum is σ = 662457600. Its totient is φ = 116126208.

The previous prime is 284990579. The next prime is 284990609. The reversal of 284990608 is 806099482.

284990608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (284990609) 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, 816418 + ... + 816766.

It is an arithmetic number, because the mean of its divisors is an integer number (8280720).

Almost surely, 2^284990608 is an apocalyptic number.

284990608 is a gapful number since it is divisible by the number (28) 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 284990608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331228800).

284990608 is an abundant number, since it is smaller than the sum of its proper divisors (377466992).

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

284990608 is a wasteful number, since it uses less digits than its factorization.

284990608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 284990608 is about 16881.6648468094. The cubic root of 284990608 is about 658.0772075219.

The spelling of 284990608 in words is "two hundred eighty-four million, nine hundred ninety thousand, six hundred eight".