28960859 has 2 divisors, whose sum is σ = 28960860. Its totient is φ = 28960858.

The previous prime is 28960853. The next prime is 28960871. The reversal of 28960859 is 95806982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28960859 - 2²⁴ = 12183643 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28960853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14480429 + 14480430.

It is an arithmetic number, because the mean of its divisors is an integer number (14480430).

Almost surely, 2^28960859 is an apocalyptic number.

28960859 is a deficient number, since it is larger than the sum of its proper divisors (1).

28960859 is an equidigital number, since it uses as much as digits as its factorization.

28960859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 28960859 is about 5381.5294294466. The cubic root of 28960859 is about 307.0933978615.

The spelling of 28960859 in words is "twenty-eight million, nine hundred sixty thousand, eight hundred fifty-nine".