28684383 has 16 divisors (see below), whose sum is σ = 47072256. Its totient is φ = 15130080.

The previous prime is 28684363. The next prime is 28684387. The reversal of 28684383 is 38348682.

It is not a de Polignac number, because 28684383 - 2¹⁷ = 28553311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28684387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52263 + ... + 52808.

It is an arithmetic number, because the mean of its divisors is an integer number (2942016).

Almost surely, 2^28684383 is an apocalyptic number.

28684383 is a deficient number, since it is larger than the sum of its proper divisors (18387873).

28684383 is a wasteful number, since it uses less digits than its factorization.

28684383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105094.

The product of its digits is 221184, while the sum is 42.

The square root of 28684383 is about 5355.7803353013. The cubic root of 28684383 is about 306.1130450797.

The spelling of 28684383 in words is "twenty-eight million, six hundred eighty-four thousand, three hundred eighty-three".