28760828 has 12 divisors (see below), whose sum is σ = 50938440. Its totient is φ = 14206992.

The previous prime is 28760827. The next prime is 28760843. The reversal of 28760828 is 82806782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28760827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42983 + ... + 43646.

It is an arithmetic number, because the mean of its divisors is an integer number (4244870).

Almost surely, 2^28760828 is an apocalyptic number.

It is an amenable number.

28760828 is a deficient number, since it is larger than the sum of its proper divisors (22177612).

28760828 is a wasteful number, since it uses less digits than its factorization.

28760828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86716 (or 86714 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 28760828 is about 5362.9122685347. The cubic root of 28760828 is about 306.3847382682.

The spelling of 28760828 in words is "twenty-eight million, seven hundred sixty thousand, eight hundred twenty-eight".