28935847 has 2 divisors, whose sum is σ = 28935848. Its totient is φ = 28935846.

The previous prime is 28935839. The next prime is 28935859. The reversal of 28935847 is 74853982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28935847 - 2³ = 28935839 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28935797 and 28935806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28935877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14467923 + 14467924.

It is an arithmetic number, because the mean of its divisors is an integer number (14467924).

Almost surely, 2^28935847 is an apocalyptic number.

28935847 is a deficient number, since it is larger than the sum of its proper divisors (1).

28935847 is an equidigital number, since it uses as much as digits as its factorization.

28935847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 28935847 is about 5379.2050527936. The cubic root of 28935847 is about 307.0049654896.

The spelling of 28935847 in words is "twenty-eight million, nine hundred thirty-five thousand, eight hundred forty-seven".