6847823 has 4 divisors (see below), whose sum is σ = 6859608. Its totient is φ = 6836040.

The previous prime is 6847817. The next prime is 6847829. The reversal of 6847823 is 3287486.

6847823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3287486 = 2 ⋅1643743.

It is an interprime number because it is at equal distance from previous prime (6847817) and next prime (6847829).

It is a cyclic number.

It is not a de Polignac number, because 6847823 - 2¹⁶ = 6782287 is a prime.

It is a super-3 number, since 3×6847823³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6847829) 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, 4973 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (1714902).

Almost surely, 2^6847823 is an apocalyptic number.

6847823 is a deficient number, since it is larger than the sum of its proper divisors (11785).

6847823 is a wasteful number, since it uses less digits than its factorization.

6847823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11784.

The product of its digits is 64512, while the sum is 38.

The square root of 6847823 is about 2616.8345381395. The cubic root of 6847823 is about 189.8967398281.

The spelling of 6847823 in words is "six million, eight hundred forty-seven thousand, eight hundred twenty-three".