6689335 has 16 divisors (see below), whose sum is σ = 8386560. Its totient is φ = 5116320.

The previous prime is 6689327. The next prime is 6689339. The reversal of 6689335 is 5339866.

It is not a de Polignac number, because 6689335 - 2³ = 6689327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15756 + ... + 16174.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 2^6689335 is an apocalyptic number.

6689335 is a deficient number, since it is larger than the sum of its proper divisors (1697225).

6689335 is a wasteful number, since it uses less digits than its factorization.

6689335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its digits is 116640, while the sum is 40.

The square root of 6689335 is about 2586.3748761539. The cubic root of 6689335 is about 188.4202816385.

It can be divided in two parts, 66 and 89335, that added together give a square (89401 = 299²).

The spelling of 6689335 in words is "six million, six hundred eighty-nine thousand, three hundred thirty-five".