6663349 has 12 divisors (see below), whose sum is σ = 8371552. Its totient is φ = 5191560.

The previous prime is 6663347. The next prime is 6663383. The reversal of 6663349 is 9433666.

It is not a de Polignac number, because 6663349 - 2¹ = 6663347 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3087 + ... + 4780.

Almost surely, 2^6663349 is an apocalyptic number.

It is an amenable number.

6663349 is a deficient number, since it is larger than the sum of its proper divisors (1708203).

6663349 is a wasteful number, since it uses less digits than its factorization.

6663349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7896 (or 7885 counting only the distinct ones).

The product of its digits is 69984, while the sum is 37.

The square root of 6663349 is about 2581.3463541338. The cubic root of 6663349 is about 188.1759801572.

The spelling of 6663349 in words is "six million, six hundred sixty-three thousand, three hundred forty-nine".