282805940 has 12 divisors (see below), whose sum is σ = 593892516. Its totient is φ = 113122368.

The previous prime is 282805927. The next prime is 282805951. The reversal of 282805940 is 49508282.

It can be written as a sum of positive squares in 2 ways, for example, as 214974244 + 67831696 = 14662^2 + 8236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 282805894 and 282805903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7070129 + ... + 7070168.

It is an arithmetic number, because the mean of its divisors is an integer number (49491043).

Almost surely, 2^282805940 is an apocalyptic number.

282805940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

282805940 is an abundant number, since it is smaller than the sum of its proper divisors (311086576).

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

282805940 is a wasteful number, since it uses less digits than its factorization.

282805940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140306 (or 14140304 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 282805940 is about 16816.8350173271. The cubic root of 282805940 is about 656.3913395946.

The spelling of 282805940 in words is "two hundred eighty-two million, eight hundred five thousand, nine hundred forty".