28033363 has 4 divisors (see below), whose sum is σ = 28043968. Its totient is φ = 28022760.

The previous prime is 28033339. The next prime is 28033367. The reversal of 28033363 is 36333082.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36333082 = 2 ⋅18166541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28033363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28033367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233 + ... + 7813.

It is an arithmetic number, because the mean of its divisors is an integer number (7010992).

Almost surely, 2^28033363 is an apocalyptic number.

28033363 is a deficient number, since it is larger than the sum of its proper divisors (10605).

28033363 is an equidigital number, since it uses as much as digits as its factorization.

28033363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 28033363 is about 5294.6541907853. The cubic root of 28033363 is about 303.7794561238.

The spelling of 28033363 in words is "twenty-eight million, thirty-three thousand, three hundred sixty-three".