6859216 has 60 divisors (see below), whose sum is σ = 16673412. Its totient is φ = 2709504.

The previous prime is 6859199. The next prime is 6859217. The reversal of 6859216 is 6129586.

It can be written as a sum of positive squares in 2 ways, for example, as 1587600 + 5271616 = 1260^2 + 2296^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6859217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9856 + ... + 10528.

Almost surely, 2^6859216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6859216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8336706).

6859216 is an abundant number, since it is smaller than the sum of its proper divisors (9814196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6859216 is a wasteful number, since it uses less digits than its factorization.

6859216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 695 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 6859216 is about 2619.0105001699. The cubic root of 6859216 is about 190.0019944389.

It can be divided in two parts, 6859 and 216, that multiplied together give a cube (1481544 = 114³).

The spelling of 6859216 in words is "six million, eight hundred fifty-nine thousand, two hundred sixteen".