282172866 has 32 divisors (see below), whose sum is σ = 578285568. Its totient is φ = 91747920.

The previous prime is 282172801. The next prime is 282172867. The reversal of 282172866 is 668271282.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (282172867) 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 15 ways as a sum of consecutive naturals, for example, 91831 + ... + 94853.

It is an arithmetic number, because the mean of its divisors is an integer number (18071424).

Almost surely, 2^282172866 is an apocalyptic number.

282172866 is an abundant number, since it is smaller than the sum of its proper divisors (296112702).

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

282172866 is a wasteful number, since it uses less digits than its factorization.

282172866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406.

The product of its digits is 129024, while the sum is 42.

The square root of 282172866 is about 16798.0018454577. The cubic root of 282172866 is about 655.9011863483.

The spelling of 282172866 in words is "two hundred eighty-two million, one hundred seventy-two thousand, eight hundred sixty-six".