282056638 has 4 divisors (see below), whose sum is σ = 423084960. Its totient is φ = 141028318.

The previous prime is 282056629. The next prime is 282056669. The reversal of 282056638 is 836650282.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 282056638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70514158 + ... + 70514161.

It is an arithmetic number, because the mean of its divisors is an integer number (105771240).

Almost surely, 2^282056638 is an apocalyptic number.

282056638 is a deficient number, since it is larger than the sum of its proper divisors (141028322).

282056638 is a wasteful number, since it uses less digits than its factorization.

282056638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141028321.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 282056638 is about 16794.5419109900. The cubic root of 282056638 is about 655.8111179757.

It can be divided in two parts, 28205 and 6638, that added together give a palindrome (34843).

The spelling of 282056638 in words is "two hundred eighty-two million, fifty-six thousand, six hundred thirty-eight".