6691383 has 8 divisors (see below), whose sum is σ = 9913200. Its totient is φ = 4460904.

The previous prime is 6691369. The next prime is 6691397. The reversal of 6691383 is 3831966.

It is a happy number.

6691383 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6691369) and next prime (6691397).

It is a de Polignac number, because none of the positive numbers 2^k-6691383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123888 + ... + 123941.

It is an arithmetic number, because the mean of its divisors is an integer number (1239150).

Almost surely, 2^6691383 is an apocalyptic number.

6691383 is a deficient number, since it is larger than the sum of its proper divisors (3221817).

6691383 is a wasteful number, since it uses less digits than its factorization.

6691383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247838 (or 247832 counting only the distinct ones).

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

The square root of 6691383 is about 2586.7707668056. The cubic root of 6691383 is about 188.4395085304.

The spelling of 6691383 in words is "six million, six hundred ninety-one thousand, three hundred eighty-three".