28829756 has 24 divisors (see below), whose sum is σ = 53632656. Its totient is φ = 13512960.

The previous prime is 28829747. The next prime is 28829767. The reversal of 28829756 is 65792882.

It is a self number, because there is not a number n which added to its sum of digits gives 28829756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20186 + ... + 21566.

It is an arithmetic number, because the mean of its divisors is an integer number (2234694).

Almost surely, 2^28829756 is an apocalyptic number.

It is an amenable number.

28829756 is a deficient number, since it is larger than the sum of its proper divisors (24802900).

28829756 is a wasteful number, since it uses less digits than its factorization.

28829756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1707 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 28829756 is about 5369.3347818887. The cubic root of 28829756 is about 306.6293028412.

The spelling of 28829756 in words is "twenty-eight million, eight hundred twenty-nine thousand, seven hundred fifty-six".