282420856 has 16 divisors (see below), whose sum is σ = 529777440. Its totient is φ = 141146880.

The previous prime is 282420851. The next prime is 282420857. The reversal of 282420856 is 658024282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282420851) 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, 14760 + ... + 27976.

It is an arithmetic number, because the mean of its divisors is an integer number (33111090).

Almost surely, 2^282420856 is an apocalyptic number.

It is an amenable number.

282420856 is a deficient number, since it is larger than the sum of its proper divisors (247356584).

282420856 is a wasteful number, since it uses less digits than its factorization.

282420856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15894 (or 15890 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 282420856 is about 16805.3817570444. The cubic root of 282420856 is about 656.0932781795.

The spelling of 282420856 in words is "two hundred eighty-two million, four hundred twenty thousand, eight hundred fifty-six".