679935393 has 12 divisors (see below), whose sum is σ = 1004969680. Its totient is φ = 442748376.

The previous prime is 679935353. The next prime is 679935461. The reversal of 679935393 is 393539976.

679935393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 679935393 - 2⁶ = 679935329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679935313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 878083 + ... + 878856.

Almost surely, 2^679935393 is an apocalyptic number.

It is an amenable number.

679935393 is a deficient number, since it is larger than the sum of its proper divisors (325034287).

679935393 is a wasteful number, since it uses less digits than its factorization.

679935393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756988 (or 1756985 counting only the distinct ones).

The product of its digits is 4133430, while the sum is 54.

The square root of 679935393 is about 26075.5708087091. The cubic root of 679935393 is about 879.3380839442.

The spelling of 679935393 in words is "six hundred seventy-nine million, nine hundred thirty-five thousand, three hundred ninety-three".