6688364 has 6 divisors (see below), whose sum is σ = 11704644. Its totient is φ = 3344180.

The previous prime is 6688351. The next prime is 6688387. The reversal of 6688364 is 4638866.

6688364 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam 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, 836042 + ... + 836049.

It is an arithmetic number, because the mean of its divisors is an integer number (1950774).

Almost surely, 2^6688364 is an apocalyptic number.

It is an amenable number.

6688364 is a deficient number, since it is larger than the sum of its proper divisors (5016280).

6688364 is a wasteful number, since it uses less digits than its factorization.

6688364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672095 (or 1672093 counting only the distinct ones).

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

The square root of 6688364 is about 2586.1871548672. The cubic root of 6688364 is about 188.4111643920.

The spelling of 6688364 in words is "six million, six hundred eighty-eight thousand, three hundred sixty-four".