6849947 has 8 divisors (see below), whose sum is σ = 7443744. Its totient is φ = 6265728.

The previous prime is 6849923. The next prime is 6849949. The reversal of 6849947 is 7499486.

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

It is a cyclic number.

It is not a de Polignac number, because 6849947 - 2²² = 2655643 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6849949) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 863 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (930468).

Almost surely, 2^6849947 is an apocalyptic number.

6849947 is a deficient number, since it is larger than the sum of its proper divisors (593797).

6849947 is a wasteful number, since it uses less digits than its factorization.

6849947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789.

The product of its digits is 435456, while the sum is 47.

The square root of 6849947 is about 2617.2403405114. The cubic root of 6849947 is about 189.9163713217.

It can be divided in two parts, 68499 and 47, that multiplied together give a triangular number (3219453 = T₂₅₃₇).

The spelling of 6849947 in words is "six million, eight hundred forty-nine thousand, nine hundred forty-seven".