28864683 has 6 divisors (see below), whose sum is σ = 41693444. Its totient is φ = 19243116.

The previous prime is 28864673. The next prime is 28864723. The reversal of 28864683 is 38646882.

It is a happy number.

It is not a de Polignac number, because 28864683 - 2¹³ = 28856491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28864603) 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 5 ways as a sum of consecutive naturals, for example, 1603585 + ... + 1603602.

Almost surely, 2^28864683 is an apocalyptic number.

28864683 is a deficient number, since it is larger than the sum of its proper divisors (12828761).

28864683 is a wasteful number, since it uses less digits than its factorization.

28864683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207193 (or 3207190 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 28864683 is about 5372.5862487260. The cubic root of 28864683 is about 306.7530791193.

It can be divided in two parts, 2886 and 4683, that added together give a square (7569 = 87²).

The spelling of 28864683 in words is "twenty-eight million, eight hundred sixty-four thousand, six hundred eighty-three".