680808434 has 16 divisors (see below), whose sum is σ = 1055557440. Its totient is φ = 329145360.

The previous prime is 680808433. The next prime is 680808449. The reversal of 680808434 is 434808086.

680808434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 680808391 and 680808400.

It is not an unprimeable number, because it can be changed into a prime (680808431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40094 + ... + 54489.

It is an arithmetic number, because the mean of its divisors is an integer number (65972340).

Almost surely, 2^680808434 is an apocalyptic number.

680808434 is a deficient number, since it is larger than the sum of its proper divisors (374749006).

680808434 is a wasteful number, since it uses less digits than its factorization.

680808434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94705.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 680808434 is about 26092.3060307057. The cubic root of 680808434 is about 879.7142813820.

The spelling of 680808434 in words is "six hundred eighty million, eight hundred eight thousand, four hundred thirty-four".