686241100 has 36 divisors (see below), whose sum is σ = 1491397600. Its totient is φ = 274080960.

The previous prime is 686241077. The next prime is 686241103. The reversal of 686241100 is 1142686.

686241100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (686241103) 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, 66061 + ... + 75739.

Almost surely, 2^686241100 is an apocalyptic number.

It is an amenable number.

686241100 is an abundant number, since it is smaller than the sum of its proper divisors (805156500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

686241100 is a wasteful number, since it uses less digits than its factorization.

686241100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10402 (or 10395 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 686241100 is about 26196.2039234695. The cubic root of 686241100 is about 882.0480449213.

Adding to 686241100 its reverse (1142686), we get a palindrome (687383786).

The spelling of 686241100 in words is "six hundred eighty-six million, two hundred forty-one thousand, one hundred".