6689304 has 112 divisors (see below), whose sum is σ = 19936320. Its totient is φ = 2099520.

The previous prime is 6689303. The next prime is 6689317. The reversal of 6689304 is 4039866.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689303) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 180774 + ... + 180810.

Almost surely, 2^6689304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6689304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9968160).

6689304 is an abundant number, since it is smaller than the sum of its proper divisors (13247016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6689304 is a wasteful number, since it uses less digits than its factorization.

6689304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6689304 is about 2586.3688832029. The cubic root of 6689304 is about 188.4199905763.

The spelling of 6689304 in words is "six million, six hundred eighty-nine thousand, three hundred four".