6940847 has 4 divisors (see below), whose sum is σ = 6952680. Its totient is φ = 6929016.

The previous prime is 6940841. The next prime is 6940853. The reversal of 6940847 is 7480496.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6940841) and next prime (6940853).

It is a cyclic number.

It is not a de Polignac number, because 6940847 - 2⁶ = 6940783 is a prime.

It is a super-3 number, since 3×6940847³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6940847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4988 + ... + 6225.

It is an arithmetic number, because the mean of its divisors is an integer number (1738170).

Almost surely, 2^6940847 is an apocalyptic number.

6940847 is a deficient number, since it is larger than the sum of its proper divisors (11833).

6940847 is a wasteful number, since it uses less digits than its factorization.

6940847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 6940847 is about 2634.5487279608. The cubic root of 6940847 is about 190.7527570347.

The spelling of 6940847 in words is "six million, nine hundred forty thousand, eight hundred forty-seven".