6689834 has 8 divisors (see below), whose sum is σ = 10045728. Its totient is φ = 3341260.

The previous prime is 6689821. The next prime is 6689869. The reversal of 6689834 is 4389866.

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

It is a Curzon 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, 2699 + ... + 4545.

It is an arithmetic number, because the mean of its divisors is an integer number (1255716).

Almost surely, 2^6689834 is an apocalyptic number.

6689834 is a deficient number, since it is larger than the sum of its proper divisors (3355894).

6689834 is a wasteful number, since it uses less digits than its factorization.

6689834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660.

The product of its digits is 248832, while the sum is 44.

The square root of 6689834 is about 2586.4713414225. The cubic root of 6689834 is about 188.4249666773.

Subtracting from 6689834 its reverse (4389866), we obtain a cube (2299968 = 132³).

The spelling of 6689834 in words is "six million, six hundred eighty-nine thousand, eight hundred thirty-four".