284821201 has 8 divisors (see below), whose sum is σ = 325612224. Its totient is φ = 244055760.

The previous prime is 284821193. The next prime is 284821231. The reversal of 284821201 is 102128482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 284821201 - 2³ = 284821193 is a prime.

It is a super-2 number, since 2×284821201² = 162246233078164802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 284821201.

It is not an unprimeable number, because it can be changed into a prime (284821231) 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 7 ways as a sum of consecutive naturals, for example, 38466 + ... + 45268.

It is an arithmetic number, because the mean of its divisors is an integer number (40701528).

Almost surely, 2^284821201 is an apocalyptic number.

It is an amenable number.

284821201 is a deficient number, since it is larger than the sum of its proper divisors (40791023).

284821201 is an equidigital number, since it uses as much as digits as its factorization.

284821201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12791.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 284821201 is about 16876.6466159602. The cubic root of 284821201 is about 657.9467880399.

Adding to 284821201 its reverse (102128482), we get a palindrome (386949683).

The spelling of 284821201 in words is "two hundred eighty-four million, eight hundred twenty-one thousand, two hundred one".