28796347 has 2 divisors, whose sum is σ = 28796348. Its totient is φ = 28796346.

The previous prime is 28796321. The next prime is 28796357. The reversal of 28796347 is 74369782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28796347 - 2¹¹ = 28794299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28796297 and 28796306.

It is not a weakly prime, because it can be changed into another prime (28796357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14398173 + 14398174.

It is an arithmetic number, because the mean of its divisors is an integer number (14398174).

Almost surely, 2^28796347 is an apocalyptic number.

28796347 is a deficient number, since it is larger than the sum of its proper divisors (1).

28796347 is an equidigital number, since it uses as much as digits as its factorization.

28796347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 28796347 is about 5366.2227870263. Note that the first 3 decimals coincide. The cubic root of 28796347 is about 306.5108125559.

The spelling of 28796347 in words is "twenty-eight million, seven hundred ninety-six thousand, three hundred forty-seven".