28865752 has 8 divisors (see below), whose sum is σ = 54123300. Its totient is φ = 14432872.

The previous prime is 28865747. The next prime is 28865773. The reversal of 28865752 is 25756882.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 28865699 and 28865708.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1804102 + ... + 1804117.

Almost surely, 2^28865752 is an apocalyptic number.

It is an amenable number.

28865752 is a deficient number, since it is larger than the sum of its proper divisors (25257548).

28865752 is a wasteful number, since it uses less digits than its factorization.

28865752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608225 (or 3608221 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 28865752 is about 5372.6857343418. The cubic root of 28865752 is about 306.7568659268.

The spelling of 28865752 in words is "twenty-eight million, eight hundred sixty-five thousand, seven hundred fifty-two".