6909604 has 24 divisors (see below), whose sum is σ = 13177080. Its totient is φ = 3151104.

The previous prime is 6909587. The next prime is 6909613. The reversal of 6909604 is 4069096.

6909604 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 396900 + 6512704 = 630^2 + 2552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6909604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3882 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (549045).

Almost surely, 2^6909604 is an apocalyptic number.

It is an amenable number.

6909604 is a deficient number, since it is larger than the sum of its proper divisors (6267476).

6909604 is a wasteful number, since it uses less digits than its factorization.

6909604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 6909604 is about 2628.6125617900. The cubic root of 6909604 is about 190.4661132010.

The spelling of 6909604 in words is "six million, nine hundred nine thousand, six hundred four".