6859641 has 8 divisors (see below), whose sum is σ = 9159904. Its totient is φ = 4566240.

The previous prime is 6859621. The next prime is 6859667. The reversal of 6859641 is 1469586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6859641 - 2⁵ = 6859609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6859641.

It is not an unprimeable number, because it can be changed into a prime (6859621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461 + ... + 3981.

It is an arithmetic number, because the mean of its divisors is an integer number (1144988).

Almost surely, 2^6859641 is an apocalyptic number.

It is an amenable number.

6859641 is a deficient number, since it is larger than the sum of its proper divisors (2300263).

6859641 is a wasteful number, since it uses less digits than its factorization.

6859641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431.

The product of its digits is 51840, while the sum is 39.

The square root of 6859641 is about 2619.0916364266. The cubic root of 6859641 is about 190.0059185599.

The spelling of 6859641 in words is "six million, eight hundred fifty-nine thousand, six hundred forty-one".