28363766 has 8 divisors (see below), whose sum is σ = 43023960. Its totient is φ = 14022448.

The previous prime is 28363763. The next prime is 28363813. The reversal of 28363766 is 66736382.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28363763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79496 + ... + 79851.

It is an arithmetic number, because the mean of its divisors is an integer number (5377995).

Almost surely, 2^28363766 is an apocalyptic number.

28363766 is a deficient number, since it is larger than the sum of its proper divisors (14660194).

28363766 is a wasteful number, since it uses less digits than its factorization.

28363766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159438.

The product of its digits is 217728, while the sum is 41.

The square root of 28363766 is about 5325.7643582870. The cubic root of 28363766 is about 304.9682525407.

It can be divided in two parts, 2836376 and 6, that added together give a palindrome (2836382).

The spelling of 28363766 in words is "twenty-eight million, three hundred sixty-three thousand, seven hundred sixty-six".