6849566 has 4 divisors (see below), whose sum is σ = 10274352. Its totient is φ = 3424782.

The previous prime is 6849559. The next prime is 6849569. The reversal of 6849566 is 6659486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6659486 = 2 ⋅3329743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6849569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712390 + ... + 1712393.

It is an arithmetic number, because the mean of its divisors is an integer number (2568588).

Almost surely, 2^6849566 is an apocalyptic number.

6849566 is a deficient number, since it is larger than the sum of its proper divisors (3424786).

6849566 is a wasteful number, since it uses less digits than its factorization.

6849566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424785.

The product of its digits is 311040, while the sum is 44.

The square root of 6849566 is about 2617.1675529091. The cubic root of 6849566 is about 189.9128501520.

The spelling of 6849566 in words is "six million, eight hundred forty-nine thousand, five hundred sixty-six".