6853923 has 16 divisors (see below), whose sum is σ = 10262560. Its totient is φ = 4520448.

The previous prime is 6853921. The next prime is 6853937. The reversal of 6853923 is 3293586.

It is a Cunningham number, because it is equal to 2618²-1.

It is not a de Polignac number, because 6853923 - 2¹ = 6853921 is a prime.

It is a super-4 number, since 4×6853923⁴ (a number of 28 digits) contains 4444 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 (6853921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311 + ... + 3927.

It is an arithmetic number, because the mean of its divisors is an integer number (641410).

Almost surely, 2^6853923 is an apocalyptic number.

6853923 is a deficient number, since it is larger than the sum of its proper divisors (3408637).

6853923 is a wasteful number, since it uses less digits than its factorization.

6853923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723 (or 2717 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 6853923 is about 2617.9998090145. Note that the first 3 decimals coincide. The cubic root of 6853923 is about 189.9531093890.

It can be divided in two parts, 6853 and 923, that added together give a 5-th power (7776 = 6⁵).

The spelling of 6853923 in words is "six million, eight hundred fifty-three thousand, nine hundred twenty-three".