6928664 has 8 divisors (see below), whose sum is σ = 12991260. Its totient is φ = 3464328.

The previous prime is 6928661. The next prime is 6928667. The reversal of 6928664 is 4668296.

It is an interprime number because it is at equal distance from previous prime (6928661) and next prime (6928667).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6928661) 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 as a sum of consecutive naturals, namely, 433034 + ... + 433049.

Almost surely, 2^6928664 is an apocalyptic number.

It is an amenable number.

6928664 is a deficient number, since it is larger than the sum of its proper divisors (6062596).

6928664 is a wasteful number, since it uses less digits than its factorization.

6928664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866089 (or 866085 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 6928664 is about 2632.2355517696. The cubic root of 6928664 is about 190.6410846949.

The spelling of 6928664 in words is "six million, nine hundred twenty-eight thousand, six hundred sixty-four".