284831056 has 20 divisors (see below), whose sum is σ = 584323092. Its totient is φ = 134038016.

The previous prime is 284831051. The next prime is 284831081. The reversal of 284831056 is 650138482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 236667456 + 48163600 = 15384^2 + 6940^2 .

It is a super-2 number, since 2×284831056² = 162257460924150272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284831051) 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 3 ways as a sum of consecutive naturals, for example, 523315 + ... + 523858.

Almost surely, 2^284831056 is an apocalyptic number.

It is an amenable number.

284831056 is an abundant number, since it is smaller than the sum of its proper divisors (299492036).

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

284831056 is a wasteful number, since it uses less digits than its factorization.

284831056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047198 (or 1047192 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 284831056 is about 16876.9385849448. The cubic root of 284831056 is about 657.9543764156.

The spelling of 284831056 in words is "two hundred eighty-four million, eight hundred thirty-one thousand, fifty-six".