28659256 has 16 divisors (see below), whose sum is σ = 54099000. Its totient is φ = 14232864.

The previous prime is 28659227. The next prime is 28659259. The reversal of 28659256 is 65295682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28659259) 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 3 ways as a sum of consecutive naturals, for example, 10830 + ... + 13213.

Almost surely, 2^28659256 is an apocalyptic number.

It is an amenable number.

28659256 is a deficient number, since it is larger than the sum of its proper divisors (25439744).

28659256 is a wasteful number, since it uses less digits than its factorization.

28659256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24198 (or 24194 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 28659256 is about 5353.4340380731. The cubic root of 28659256 is about 306.0236358065.

It can be divided in two parts, 2865 and 9256, that added together give a palindrome (12121).

The spelling of 28659256 in words is "twenty-eight million, six hundred fifty-nine thousand, two hundred fifty-six".