6839107408 has 80 divisors (see below), whose sum is σ = 16312098816. Its totient is φ = 2713138560.

The previous prime is 6839107397. The next prime is 6839107409. The reversal of 6839107408 is 8047019386.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6839107409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37035 + ... + 122677.

Almost surely, 2^6839107408 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 6839107408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8156049408).

6839107408 is an abundant number, since it is smaller than the sum of its proper divisors (9472991408).

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

6839107408 is a wasteful number, since it uses less digits than its factorization.

6839107408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85712 (or 85706 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 6839107408 is about 82698.8960506729. The cubic root of 6839107408 is about 1898.1614169904.

The spelling of 6839107408 in words is "six billion, eight hundred thirty-nine million, one hundred seven thousand, four hundred eight".