6854663 has 4 divisors (see below), whose sum is σ = 6861528. Its totient is φ = 6847800.

The previous prime is 6854647. The next prime is 6854671. The reversal of 6854663 is 3664586.

6854663 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3664586 = 2 ⋅1832293.

It is a cyclic number.

It is not a de Polignac number, because 6854663 - 2⁴ = 6854647 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6854623) 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, 1613 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (1715382).

Almost surely, 2^6854663 is an apocalyptic number.

6854663 is a deficient number, since it is larger than the sum of its proper divisors (6865).

6854663 is a wasteful number, since it uses less digits than its factorization.

6854663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864.

The product of its digits is 103680, while the sum is 38.

The square root of 6854663 is about 2618.1411344693. The cubic root of 6854663 is about 189.9599453885.

The spelling of 6854663 in words is "six million, eight hundred fifty-four thousand, six hundred sixty-three".