686601104 has 40 divisors (see below), whose sum is σ = 1524926208. Its totient is φ = 293368320.

The previous prime is 686601103. The next prime is 686601107. The reversal of 686601104 is 401106686.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (686601101) 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, 28649 + ... + 46839.

Almost surely, 2^686601104 is an apocalyptic number.

It is an amenable number.

686601104 is an abundant number, since it is smaller than the sum of its proper divisors (838325104).

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

686601104 is a wasteful number, since it uses less digits than its factorization.

686601104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18543 (or 18537 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 686601104 is about 26203.0743234453. The cubic root of 686601104 is about 882.2022595809.

The spelling of 686601104 in words is "six hundred eighty-six million, six hundred one thousand, one hundred four".