686093068 has 12 divisors (see below), whose sum is σ = 1202540472. Its totient is φ = 342510080.

The previous prime is 686093063. The next prime is 686093069. The reversal of 686093068 is 860390686.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (686093063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131230 + ... + 136357.

It is an arithmetic number, because the mean of its divisors is an integer number (100211706).

Almost surely, 2^686093068 is an apocalyptic number.

It is an amenable number.

686093068 is a deficient number, since it is larger than the sum of its proper divisors (516447404).

686093068 is a wasteful number, since it uses less digits than its factorization.

686093068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268232 (or 268230 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 686093068 is about 26193.3783235382. The cubic root of 686093068 is about 881.9846169094.

The spelling of 686093068 in words is "six hundred eighty-six million, ninety-three thousand, sixty-eight".