6839449386 has 32 divisors (see below), whose sum is σ = 17054212608. Its totient is φ = 1776480240.

The previous prime is 6839449313. The next prime is 6839449403.

6839449386 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×6839449386³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7401540 + ... + 7402463.

It is an arithmetic number, because the mean of its divisors is an integer number (532944144).

Almost surely, 2^6839449386 is an apocalyptic number.

6839449386 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6839449386 is an abundant number, since it is smaller than the sum of its proper divisors (10214763222).

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

6839449386 is a wasteful number, since it uses less digits than its factorization.

6839449386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14804026.

The product of its digits is 26873856, while the sum is 60.

The square root of 6839449386 is about 82700.9636340472. The cubic root of 6839449386 is about 1898.1930545803.

The spelling of 6839449386 in words is "six billion, eight hundred thirty-nine million, four hundred forty-nine thousand, three hundred eighty-six".