28358633 has 2 divisors, whose sum is σ = 28358634. Its totient is φ = 28358632.

The previous prime is 28358623. The next prime is 28358647. The reversal of 28358633 is 33685382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25836889 + 2521744 = 5083^2 + 1588^2 .

It is a cyclic number.

It is not a de Polignac number, because 28358633 - 2⁶ = 28358569 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (28358623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14179316 + 14179317.

It is an arithmetic number, because the mean of its divisors is an integer number (14179317).

Almost surely, 2^28358633 is an apocalyptic number.

It is an amenable number.

28358633 is a deficient number, since it is larger than the sum of its proper divisors (1).

28358633 is an equidigital number, since it uses as much as digits as its factorization.

28358633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 28358633 is about 5325.2824338245. The cubic root of 28358633 is about 304.9498546961.

The spelling of 28358633 in words is "twenty-eight million, three hundred fifty-eight thousand, six hundred thirty-three".