28182766 has 8 divisors (see below), whose sum is σ = 42990840. Its totient is φ = 13852488.

The previous prime is 28182743. The next prime is 28182767. The reversal of 28182766 is 66728182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28182767) 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, 119301 + ... + 119536.

It is an arithmetic number, because the mean of its divisors is an integer number (5373855).

Almost surely, 2^28182766 is an apocalyptic number.

28182766 is a deficient number, since it is larger than the sum of its proper divisors (14808074).

28182766 is a wasteful number, since it uses less digits than its factorization.

28182766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238898.

The product of its digits is 64512, while the sum is 40.

The square root of 28182766 is about 5308.7442959706. The cubic root of 28182766 is about 304.3181615340.

The spelling of 28182766 in words is "twenty-eight million, one hundred eighty-two thousand, seven hundred sixty-six".