6839712 has 144 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 1935360.

The previous prime is 6839689. The next prime is 6839713. The reversal of 6839712 is 2179386.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6839713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53793 + ... + 53919.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

Almost surely, 2^6839712 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 6839712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11321856).

6839712 is an abundant number, since it is smaller than the sum of its proper divisors (15804000).

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

6839712 is a wasteful number, since it uses less digits than its factorization.

6839712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 160 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 6839712 is about 2615.2843057687. The cubic root of 6839712 is about 189.8217349211.

The spelling of 6839712 in words is "six million, eight hundred thirty-nine thousand, seven hundred twelve".