284412213 has 6 divisors (see below), whose sum is σ = 410817654. Its totient is φ = 189608136.

The previous prime is 284412211. The next prime is 284412217. The reversal of 284412213 is 312214482.

284412213 is a `hidden beast` number, since 2 + 8 + 441 + 2 + 213 = 666.

It can be written as a sum of positive squares in only one way, i.e., 246552804 + 37859409 = 15702^2 + 6153^2 .

It is not a de Polignac number, because 284412213 - 2¹ = 284412211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284412211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15800670 + ... + 15800687.

It is an arithmetic number, because the mean of its divisors is an integer number (68469609).

Almost surely, 2^284412213 is an apocalyptic number.

It is an amenable number.

284412213 is a deficient number, since it is larger than the sum of its proper divisors (126405441).

284412213 is a wasteful number, since it uses less digits than its factorization.

284412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31601363 (or 31601360 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 284412213 is about 16864.5252823790. The cubic root of 284412213 is about 657.6317117235.

Adding to 284412213 its reverse (312214482), we get a palindrome (596626695).

The spelling of 284412213 in words is "two hundred eighty-four million, four hundred twelve thousand, two hundred thirteen".