28833817 has 2 divisors, whose sum is σ = 28833818. Its totient is φ = 28833816.

The previous prime is 28833799. The next prime is 28833823. The reversal of 28833817 is 71833882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21752896 + 7080921 = 4664^2 + 2661^2 .

It is a cyclic number.

It is not a de Polignac number, because 28833817 - 2¹⁵ = 28801049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28833817.

It is not a weakly prime, because it can be changed into another prime (28833017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14416908 + 14416909.

It is an arithmetic number, because the mean of its divisors is an integer number (14416909).

Almost surely, 2^28833817 is an apocalyptic number.

It is an amenable number.

28833817 is a deficient number, since it is larger than the sum of its proper divisors (1).

28833817 is an equidigital number, since it uses as much as digits as its factorization.

28833817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 28833817 is about 5369.7129345990. The cubic root of 28833817 is about 306.6436995770.

The spelling of 28833817 in words is "twenty-eight million, eight hundred thirty-three thousand, eight hundred seventeen".