284330620 has 96 divisors (see below), whose sum is σ = 708922368. Its totient is φ = 93768192.

The previous prime is 284330609. The next prime is 284330633. The reversal of 284330620 is 26033482.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439137 + ... + 439783.

It is an arithmetic number, because the mean of its divisors is an integer number (7384608).

Almost surely, 2^284330620 is an apocalyptic number.

284330620 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 284330620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354461184).

284330620 is an abundant number, since it is smaller than the sum of its proper divisors (424591748).

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

284330620 is a wasteful number, since it uses less digits than its factorization.

284330620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 284330620 is about 16862.1060369101. The cubic root of 284330620 is about 657.5688179449.

The spelling of 284330620 in words is "two hundred eighty-four million, three hundred thirty thousand, six hundred twenty".