830686689 has 24 divisors (see below), whose sum is σ = 1384119360. Its totient is φ = 470238048.

The previous prime is 830686679. The next prime is 830686693. The reversal of 830686689 is 986686038.

It is not a de Polignac number, because 830686689 - 2¹⁷ = 830555617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (830686679) 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 in 23 ways as a sum of consecutive naturals, for example, 54874 + ... + 68355.

It is an arithmetic number, because the mean of its divisors is an integer number (57671640).

Almost surely, 2^830686689 is an apocalyptic number.

It is an amenable number.

830686689 is a deficient number, since it is larger than the sum of its proper divisors (553432671).

830686689 is a wasteful number, since it uses less digits than its factorization.

830686689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123349 (or 123346 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 830686689 is about 28821.6357793932. The cubic root of 830686689 is about 940.0387372749.

The spelling of 830686689 in words is "eight hundred thirty million, six hundred eighty-six thousand, six hundred eighty-nine".