28104733 has 2 divisors, whose sum is σ = 28104734. Its totient is φ = 28104732.

The previous prime is 28104701. The next prime is 28104737. The reversal of 28104733 is 33740182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27899524 + 205209 = 5282^2 + 453^2 .

It is a cyclic number.

It is not a de Polignac number, because 28104733 - 2⁵ = 28104701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28104737) 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 as a sum of consecutive naturals, namely, 14052366 + 14052367.

It is an arithmetic number, because the mean of its divisors is an integer number (14052367).

Almost surely, 2^28104733 is an apocalyptic number.

It is an amenable number.

28104733 is a deficient number, since it is larger than the sum of its proper divisors (1).

28104733 is an equidigital number, since it uses as much as digits as its factorization.

28104733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 28104733 is about 5301.3897234593. The cubic root of 28104733 is about 304.0370345290.

The spelling of 28104733 in words is "twenty-eight million, one hundred four thousand, seven hundred thirty-three".