28876093 has 2 divisors, whose sum is σ = 28876094. Its totient is φ = 28876092.

The previous prime is 28876087. The next prime is 28876121. The reversal of 28876093 is 39067882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16216729 + 12659364 = 4027^2 + 3558^2 .

It is a cyclic number.

It is not a de Polignac number, because 28876093 - 2⁵ = 28876061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28826093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14438046 + 14438047.

It is an arithmetic number, because the mean of its divisors is an integer number (14438047).

Almost surely, 2^28876093 is an apocalyptic number.

It is an amenable number.

28876093 is a deficient number, since it is larger than the sum of its proper divisors (1).

28876093 is an equidigital number, since it uses as much as digits as its factorization.

28876093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 28876093 is about 5373.6480160130. The cubic root of 28876093 is about 306.7934928844.

The spelling of 28876093 in words is "twenty-eight million, eight hundred seventy-six thousand, ninety-three".