686414101 has 4 divisors (see below), whose sum is σ = 688225600. Its totient is φ = 684602604.

The previous prime is 686414089. The next prime is 686414107. The reversal of 686414101 is 101414686.

686414101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 686414101 - 2²³ = 678025493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686414107) 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, 905181 + ... + 905938.

It is an arithmetic number, because the mean of its divisors is an integer number (172056400).

Almost surely, 2^686414101 is an apocalyptic number.

It is an amenable number.

686414101 is a deficient number, since it is larger than the sum of its proper divisors (1811499).

686414101 is a wasteful number, since it uses less digits than its factorization.

686414101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811498.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 686414101 is about 26199.5057396127. The cubic root of 686414101 is about 882.1221599675.

Adding to 686414101 its reverse (101414686), we get a palindrome (787828787).

The spelling of 686414101 in words is "six hundred eighty-six million, four hundred fourteen thousand, one hundred one".