28317683 has 2 divisors, whose sum is σ = 28317684. Its totient is φ = 28317682.

The previous prime is 28317671. The next prime is 28317697. The reversal of 28317683 is 38671382.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28317683 - 2¹² = 28313587 is a prime.

It is not a weakly prime, because it can be changed into another prime (28317283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14158841 + 14158842.

It is an arithmetic number, because the mean of its divisors is an integer number (14158842).

Almost surely, 2^28317683 is an apocalyptic number.

28317683 is a deficient number, since it is larger than the sum of its proper divisors (1).

28317683 is an equidigital number, since it uses as much as digits as its factorization.

28317683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 28317683 is about 5321.4361783263. The cubic root of 28317683 is about 304.8030009774.

The spelling of 28317683 in words is "twenty-eight million, three hundred seventeen thousand, six hundred eighty-three".