284130401 has 4 divisors (see below), whose sum is σ = 300843972. Its totient is φ = 267416832.

The previous prime is 284130397. The next prime is 284130419. The reversal of 284130401 is 104031482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 245392225 + 38738176 = 15665^2 + 6224^2 .

It is a cyclic number.

It is not a de Polignac number, because 284130401 - 2² = 284130397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (284130421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8356760 + ... + 8356793.

It is an arithmetic number, because the mean of its divisors is an integer number (75210993).

Almost surely, 2^284130401 is an apocalyptic number.

It is an amenable number.

284130401 is a deficient number, since it is larger than the sum of its proper divisors (16713571).

284130401 is a wasteful number, since it uses less digits than its factorization.

284130401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16713570.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 284130401 is about 16856.1680402160. The cubic root of 284130401 is about 657.4144334861.

Adding to 284130401 its reverse (104031482), we get a palindrome (388161883).

The spelling of 284130401 in words is "two hundred eighty-four million, one hundred thirty thousand, four hundred one".