6854639 has 8 divisors (see below), whose sum is σ = 7525632. Its totient is φ = 6191640.

The previous prime is 6854629. The next prime is 6854641. The reversal of 6854639 is 9364586.

6854639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6854639 - 2⁴ = 6854623 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 6854596 and 6854605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6854629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 3704.

It is an arithmetic number, because the mean of its divisors is an integer number (940704).

Almost surely, 2^6854639 is an apocalyptic number.

6854639 is a deficient number, since it is larger than the sum of its proper divisors (670993).

6854639 is a wasteful number, since it uses less digits than its factorization.

6854639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997.

The product of its digits is 155520, while the sum is 41.

The square root of 6854639 is about 2618.1365510607. The cubic root of 6854639 is about 189.9597236881.

The spelling of 6854639 in words is "six million, eight hundred fifty-four thousand, six hundred thirty-nine".