28382833 has 2 divisors, whose sum is σ = 28382834. Its totient is φ = 28382832.

The previous prime is 28382821. The next prime is 28382857. The reversal of 28382833 is 33828382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26286129 + 2096704 = 5127^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 28382833 - 2²¹ = 26285681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28382792 and 28382801.

It is not a weakly prime, because it can be changed into another prime (28382803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14191416 + 14191417.

It is an arithmetic number, because the mean of its divisors is an integer number (14191417).

Almost surely, 2^28382833 is an apocalyptic number.

It is an amenable number.

28382833 is a deficient number, since it is larger than the sum of its proper divisors (1).

28382833 is an equidigital number, since it uses as much as digits as its factorization.

28382833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The square root of 28382833 is about 5327.5541292417. The cubic root of 28382833 is about 305.0365735950.

It can be divided in two parts, 2838 and 2833, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 28382833 in words is "twenty-eight million, three hundred eighty-two thousand, eight hundred thirty-three".