816883 has 2 divisors, whose sum is σ = 816884. Its totient is φ = 816882.

The previous prime is 816869. The next prime is 816887. The reversal of 816883 is 388618.

It is a strong prime.

816883 is a truncatable prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-816883 is a prime.

816883 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (816887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408441 + 408442.

It is an arithmetic number, because the mean of its divisors is an integer number (408442).

2⁸¹⁶⁸⁸³ is an apocalyptic number.

816883 is a deficient number, since it is larger than the sum of its proper divisors (1).

816883 is an equidigital number, since it uses as much as digits as its factorization.

816883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 816883 is about 903.8157998176. The cubic root of 816883 is about 93.4802688402.

The spelling of 816883 in words is "eight hundred sixteen thousand, eight hundred eighty-three".