686041036 has 24 divisors (see below), whose sum is σ = 1252098176. Its totient is φ = 328527360.

The previous prime is 686041021. The next prime is 686041061. The reversal of 686041036 is 630140686.

It is a junction number, because it is equal to n+sod(n) for n = 686040992 and 686041010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16491 + ... + 40546.

Almost surely, 2^686041036 is an apocalyptic number.

It is an amenable number.

686041036 is a deficient number, since it is larger than the sum of its proper divisors (566057140).

686041036 is a wasteful number, since it uses less digits than its factorization.

686041036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57169 (or 57167 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 686041036 is about 26192.3850765829. The cubic root of 686041036 is about 881.9623203309.

The spelling of 686041036 in words is "six hundred eighty-six million, forty-one thousand, thirty-six".