686101912 has 32 divisors (see below), whose sum is σ = 1363564800. Its totient is φ = 322527744.

The previous prime is 686101901. The next prime is 686101919. The reversal of 686101912 is 219101686.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686101919) 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 7 ways as a sum of consecutive naturals, for example, 162889 + ... + 167047.

It is an arithmetic number, because the mean of its divisors is an integer number (42611400).

Almost surely, 2^686101912 is an apocalyptic number.

It is an amenable number.

686101912 is a deficient number, since it is larger than the sum of its proper divisors (677462888).

686101912 is a wasteful number, since it uses less digits than its factorization.

686101912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395 (or 5391 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 686101912 is about 26193.5471442873. The cubic root of 686101912 is about 881.9884065986.

The spelling of 686101912 in words is "six hundred eighty-six million, one hundred one thousand, nine hundred twelve".