6691448 has 16 divisors (see below), whose sum is σ = 12677280. Its totient is φ = 3310848.

The previous prime is 6691427. The next prime is 6691457. The reversal of 6691448 is 8441966.

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 in 3 ways as a sum of consecutive naturals, for example, 3536 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (792330).

Almost surely, 2^6691448 is an apocalyptic number.

It is an amenable number.

6691448 is a deficient number, since it is larger than the sum of its proper divisors (5985832).

6691448 is a wasteful number, since it uses less digits than its factorization.

6691448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726 (or 8722 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 6691448 is about 2586.7833307024. The cubic root of 6691448 is about 188.4401186946.

The spelling of 6691448 in words is "six million, six hundred ninety-one thousand, four hundred forty-eight".