6791866 has 8 divisors (see below), whose sum is σ = 10199124. Its totient is φ = 3392160.

The previous prime is 6791861. The next prime is 6791881. The reversal of 6791866 is 6681976.

It can be written as a sum of positive squares in 2 ways, for example, as 6651241 + 140625 = 2579^2 + 375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6791866² = 92258887523912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6791861) 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 3 ways as a sum of consecutive naturals, for example, 1816 + ... + 4108.

Almost surely, 2^6791866 is an apocalyptic number.

6791866 is a deficient number, since it is larger than the sum of its proper divisors (3407258).

6791866 is a wasteful number, since it uses less digits than its factorization.

6791866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776.

The product of its digits is 108864, while the sum is 43.

The square root of 6791866 is about 2606.1208721009. The cubic root of 6791866 is about 189.3780772990.

The spelling of 6791866 in words is "six million, seven hundred ninety-one thousand, eight hundred sixty-six".