6849966 has 8 divisors (see below), whose sum is σ = 13699944. Its totient is φ = 2283320.

The previous prime is 6849949. The next prime is 6849971. The reversal of 6849966 is 6699486.

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

6849966 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570825 + ... + 570836.

It is an arithmetic number, because the mean of its divisors is an integer number (1712493).

Almost surely, 2^6849966 is an apocalyptic number.

6849966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6849966 is a wasteful number, since it uses less digits than its factorization.

6849966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141666.

The product of its digits is 559872, while the sum is 48.

The square root of 6849966 is about 2617.2439702863. The cubic root of 6849966 is about 189.9165469147.

The spelling of 6849966 in words is "six million, eight hundred forty-nine thousand, nine hundred sixty-six".