683320889 has 2 divisors, whose sum is σ = 683320890. Its totient is φ = 683320888.

The previous prime is 683320877. The next prime is 683320903. The reversal of 683320889 is 988023386.

It is a happy number.

683320889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479259664 + 204061225 = 21892^2 + 14285^2 .

It is a cyclic number.

It is not a de Polignac number, because 683320889 - 2¹² = 683316793 is a prime.

It is not a weakly prime, because it can be changed into another prime (683320819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341660444 + 341660445.

It is an arithmetic number, because the mean of its divisors is an integer number (341660445).

Almost surely, 2^683320889 is an apocalyptic number.

It is an amenable number.

683320889 is a deficient number, since it is larger than the sum of its proper divisors (1).

683320889 is an equidigital number, since it uses as much as digits as its factorization.

683320889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 683320889 is about 26140.4072079989. The cubic root of 683320889 is about 880.7951185665.

The spelling of 683320889 in words is "six hundred eighty-three million, three hundred twenty thousand, eight hundred eighty-nine".