284140000 has 60 divisors (see below), whose sum is σ = 699076224. Its totient is φ = 113648000.

The previous prime is 284139997. The next prime is 284140007. The reversal of 284140000 is 41482.

It is a self number, because there is not a number n which added to its sum of digits gives 284140000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284140007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12897 + ... + 27103.

Almost surely, 2^284140000 is an apocalyptic number.

284140000 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 284140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349538112).

284140000 is an abundant number, since it is smaller than the sum of its proper divisors (414936224).

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

284140000 is an equidigital number, since it uses as much as digits as its factorization.

284140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14237 (or 14214 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 284140000 is about 16856.4527703785. The cubic root of 284140000 is about 657.4218367184.

Adding to 284140000 its reverse (41482), we get a palindrome (284181482).

The spelling of 284140000 in words is "two hundred eighty-four million, one hundred forty thousand".