6839631 has 6 divisors (see below), whose sum is σ = 9879480. Its totient is φ = 4559748.

The previous prime is 6839629. The next prime is 6839659. The reversal of 6839631 is 1369386.

It is a happy number.

It is not a de Polignac number, because 6839631 - 2¹ = 6839629 is a prime.

It is a super-2 number, since 2×6839631² = 93561104432322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6831631) 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 5 ways as a sum of consecutive naturals, for example, 379971 + ... + 379988.

It is an arithmetic number, because the mean of its divisors is an integer number (1646580).

Almost surely, 2^6839631 is an apocalyptic number.

6839631 is a deficient number, since it is larger than the sum of its proper divisors (3039849).

6839631 is a wasteful number, since it uses less digits than its factorization.

6839631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759965 (or 759962 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6839631 is about 2615.2688198348. The cubic root of 6839631 is about 189.8209855903.

The spelling of 6839631 in words is "six million, eight hundred thirty-nine thousand, six hundred thirty-one".