28828051 has 16 divisors (see below), whose sum is σ = 33761728. Its totient is φ = 24105600.

The previous prime is 28828031. The next prime is 28828057. The reversal of 28828051 is 15082882.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28828051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28827998 and 28828016.

It is not an unprimeable number, because it can be changed into a prime (28828057) 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, 77101 + ... + 77473.

It is an arithmetic number, because the mean of its divisors is an integer number (2110108).

Almost surely, 2^28828051 is an apocalyptic number.

28828051 is a deficient number, since it is larger than the sum of its proper divisors (4933677).

28828051 is a wasteful number, since it uses less digits than its factorization.

28828051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 28828051 is about 5369.1760075453. The cubic root of 28828051 is about 306.6232580072.

The spelling of 28828051 in words is "twenty-eight million, eight hundred twenty-eight thousand, fifty-one".