28683573 has 16 divisors (see below), whose sum is σ = 40741056. Its totient is φ = 17888000.

The previous prime is 28683541. The next prime is 28683601. The reversal of 28683573 is 37538682.

It is a cyclic number.

It is not a de Polignac number, because 28683573 - 2⁵ = 28683541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28683373) 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, 7198 + ... + 10448.

It is an arithmetic number, because the mean of its divisors is an integer number (2546316).

Almost surely, 2^28683573 is an apocalyptic number.

It is an amenable number.

28683573 is a deficient number, since it is larger than the sum of its proper divisors (12057483).

28683573 is a wasteful number, since it uses less digits than its factorization.

28683573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444.

The product of its digits is 241920, while the sum is 42.

The square root of 28683573 is about 5355.7047155346. The cubic root of 28683573 is about 306.1101636756.

It can be divided in two parts, 2868 and 3573, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 28683573 in words is "twenty-eight million, six hundred eighty-three thousand, five hundred seventy-three".