686860848 has 30 divisors (see below), whose sum is σ = 1922256804. Its totient is φ = 228953568.

The previous prime is 686860841. The next prime is 686860861. The reversal of 686860848 is 848068686.

It is a junction number, because it is equal to n+sod(n) for n = 686860794 and 686860803.

It is not an unprimeable number, because it can be changed into a prime (686860841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2384790 + ... + 2385077.

Almost surely, 2^686860848 is an apocalyptic number.

It is an amenable number.

686860848 is an abundant number, since it is smaller than the sum of its proper divisors (1235395956).

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

686860848 is a wasteful number, since it uses less digits than its factorization.

686860848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769881 (or 4769872 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The square root of 686860848 is about 26208.0302197628. The cubic root of 686860848 is about 882.3134924606.

The spelling of 686860848 in words is "six hundred eighty-six million, eight hundred sixty thousand, eight hundred forty-eight".