28036633 has 2 divisors, whose sum is σ = 28036634. Its totient is φ = 28036632.

The previous prime is 28036627. The next prime is 28036643. The reversal of 28036633 is 33663082.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24088464 + 3948169 = 4908^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 28036633 - 2²¹ = 25939481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28036595 and 28036604.

It is not a weakly prime, because it can be changed into another prime (28036643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14018316 + 14018317.

It is an arithmetic number, because the mean of its divisors is an integer number (14018317).

Almost surely, 2^28036633 is an apocalyptic number.

It is an amenable number.

28036633 is a deficient number, since it is larger than the sum of its proper divisors (1).

28036633 is an equidigital number, since it uses as much as digits as its factorization.

28036633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 28036633 is about 5294.9629838177. The cubic root of 28036633 is about 303.7912672908.

The spelling of 28036633 in words is "twenty-eight million, thirty-six thousand, six hundred thirty-three".