686672606 has 8 divisors (see below), whose sum is σ = 1030576944. Its totient is φ = 343146960.

The previous prime is 686672563. The next prime is 686672671. The reversal of 686672606 is 606276686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90095 + ... + 97418.

It is an arithmetic number, because the mean of its divisors is an integer number (128822118).

Almost surely, 2^686672606 is an apocalyptic number.

686672606 is a deficient number, since it is larger than the sum of its proper divisors (343904338).

686672606 is a wasteful number, since it uses less digits than its factorization.

686672606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189346.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 686672606 is about 26204.4386698132. The cubic root of 686672606 is about 882.2328824254.

The spelling of 686672606 in words is "six hundred eighty-six million, six hundred seventy-two thousand, six hundred six".