28824766 has 4 divisors (see below), whose sum is σ = 43237152. Its totient is φ = 14412382.

The previous prime is 28824751. The next prime is 28824769. The reversal of 28824766 is 66742882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66742882 = 2 ⋅33371441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28824769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7206190 + ... + 7206193.

It is an arithmetic number, because the mean of its divisors is an integer number (10809288).

Almost surely, 2^28824766 is an apocalyptic number.

28824766 is a deficient number, since it is larger than the sum of its proper divisors (14412386).

28824766 is a wasteful number, since it uses less digits than its factorization.

28824766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412385.

The product of its digits is 258048, while the sum is 43.

The square root of 28824766 is about 5368.8700859678. The cubic root of 28824766 is about 306.6116108369.

The spelling of 28824766 in words is "twenty-eight million, eight hundred twenty-four thousand, seven hundred sixty-six".