6686834 has 24 divisors (see below), whose sum is σ = 12730608. Its totient is φ = 2604840.

The previous prime is 6686789. The next prime is 6686843. The reversal of 6686834 is 4386866.

It is a junction number, because it is equal to n+sod(n) for n = 6686791 and 6686800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2024 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (530442).

Almost surely, 2^6686834 is an apocalyptic number.

6686834 is a deficient number, since it is larger than the sum of its proper divisors (6043774).

6686834 is a wasteful number, since it uses less digits than its factorization.

6686834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230 (or 6223 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 6686834 is about 2585.8913356907. The cubic root of 6686834 is about 188.3967966002.

Subtracting from 6686834 its reverse (4386866), we obtain a cube (2299968 = 132³).

The spelling of 6686834 in words is "six million, six hundred eighty-six thousand, eight hundred thirty-four".