6663834 has 12 divisors (see below), whose sum is σ = 14438346. Its totient is φ = 2221272.

The previous prime is 6663829. The next prime is 6663841. The reversal of 6663834 is 4383666.

It can be written as a sum of positive squares in only one way, i.e., 3790809 + 2873025 = 1947^2 + 1695^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 185089 + ... + 185124.

Almost surely, 2^6663834 is an apocalyptic number.

6663834 is an abundant number, since it is smaller than the sum of its proper divisors (7774512).

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

6663834 is a wasteful number, since it uses less digits than its factorization.

6663834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370221 (or 370218 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 6663834 is about 2581.4402956489. The cubic root of 6663834 is about 188.1805455860.

The spelling of 6663834 in words is "six million, six hundred sixty-three thousand, eight hundred thirty-four".