284313812 has 24 divisors (see below), whose sum is σ = 502411560. Its totient is φ = 140774400.

The previous prime is 284313781. The next prime is 284313817. The reversal of 284313812 is 218313482.

It can be written as a sum of positive squares in 4 ways, for example, as 39891856 + 244421956 = 6316^2 + 15634^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284313817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251264 + ... + 252392.

It is an arithmetic number, because the mean of its divisors is an integer number (20933815).

Almost surely, 2^284313812 is an apocalyptic number.

It is an amenable number.

284313812 is a deficient number, since it is larger than the sum of its proper divisors (218097748).

284313812 is a wasteful number, since it uses less digits than its factorization.

284313812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1689 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 284313812 is about 16861.6076339120. The cubic root of 284313812 is about 657.5558604538. Note that the first 3 decimals are identical.

The spelling of 284313812 in words is "two hundred eighty-four million, three hundred thirteen thousand, eight hundred twelve".