6691338 has 24 divisors (see below), whose sum is σ = 14571648. Its totient is φ = 2219112.

The previous prime is 6691337. The next prime is 6691361. The reversal of 6691338 is 8331966.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6691331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3181 + ... + 4847.

It is an arithmetic number, because the mean of its divisors is an integer number (607152).

Almost surely, 2^6691338 is an apocalyptic number.

6691338 is an abundant number, since it is smaller than the sum of its proper divisors (7880310).

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

6691338 is a wasteful number, since it uses less digits than its factorization.

6691338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1895 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6691338 is about 2586.7620686874. The cubic root of 6691338 is about 188.4390861066.

The spelling of 6691338 in words is "six million, six hundred ninety-one thousand, three hundred thirty-eight".