28896029 has 2 divisors, whose sum is σ = 28896030. Its totient is φ = 28896028.

The previous prime is 28896019. The next prime is 28896037. The reversal of 28896029 is 92069882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28622500 + 273529 = 5350^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 28896029 - 2⁸ = 28895773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28896019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14448014 + 14448015.

It is an arithmetic number, because the mean of its divisors is an integer number (14448015).

Almost surely, 2^28896029 is an apocalyptic number.

It is an amenable number.

28896029 is a deficient number, since it is larger than the sum of its proper divisors (1).

28896029 is an equidigital number, since it uses as much as digits as its factorization.

28896029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 28896029 is about 5375.5026741692. The cubic root of 28896029 is about 306.8640798583.

The spelling of 28896029 in words is "twenty-eight million, eight hundred ninety-six thousand, twenty-nine".