28366773 has 8 divisors (see below), whose sum is σ = 37867200. Its totient is φ = 18888768.

The previous prime is 28366771. The next prime is 28366783. The reversal of 28366773 is 37766382.

28366773 is nontrivially palindromic in base 12.

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

It is not a de Polignac number, because 28366773 - 2¹ = 28366771 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28366771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (4733400).

Almost surely, 2^28366773 is an apocalyptic number.

It is an amenable number.

28366773 is a deficient number, since it is larger than the sum of its proper divisors (9500427).

28366773 is a wasteful number, since it uses less digits than its factorization.

28366773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11211.

The product of its digits is 254016, while the sum is 42.

The square root of 28366773 is about 5326.0466577002. The cubic root of 28366773 is about 304.9790292847.

The spelling of 28366773 in words is "twenty-eight million, three hundred sixty-six thousand, seven hundred seventy-three".