6689014 has 4 divisors (see below), whose sum is σ = 10033524. Its totient is φ = 3344506.

The previous prime is 6688999. The next prime is 6689029. The reversal of 6689014 is 4109866.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4109866 = 2 ⋅2054933.

It is an interprime number because it is at equal distance from previous prime (6688999) and next prime (6689029).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1672252 + ... + 1672255.

It is an arithmetic number, because the mean of its divisors is an integer number (2508381).

Almost surely, 2^6689014 is an apocalyptic number.

6689014 is a deficient number, since it is larger than the sum of its proper divisors (3344510).

6689014 is a wasteful number, since it uses less digits than its factorization.

6689014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344509.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 6689014 is about 2586.3128194401. The cubic root of 6689014 is about 188.4172676927.

The spelling of 6689014 in words is "six million, six hundred eighty-nine thousand, fourteen".