6816834 has 12 divisors (see below), whose sum is σ = 14769846. Its totient is φ = 2272272.

The previous prime is 6816829. The next prime is 6816841. The reversal of 6816834 is 4386186.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5745609 + 1071225 = 2397^2 + 1035^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 189339 + ... + 189374.

Almost surely, 2^6816834 is an apocalyptic number.

6816834 is an abundant number, since it is smaller than the sum of its proper divisors (7953012).

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

6816834 is a wasteful number, since it uses less digits than its factorization.

6816834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378721 (or 378718 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6816834 is about 2610.9067390468. The cubic root of 6816834 is about 189.6098550130.

The spelling of 6816834 in words is "six million, eight hundred sixteen thousand, eight hundred thirty-four".