6681834 has 12 divisors (see below), whose sum is σ = 14477346. Its totient is φ = 2227272.

The previous prime is 6681817. The next prime is 6681839. The reversal of 6681834 is 4381866.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6517809 + 164025 = 2553^2 + 405^2 .

It is not an unprimeable number, because it can be changed into a prime (6681839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185589 + ... + 185624.

Almost surely, 2^6681834 is an apocalyptic number.

6681834 is an abundant number, since it is smaller than the sum of its proper divisors (7795512).

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

6681834 is a wasteful number, since it uses less digits than its factorization.

6681834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371221 (or 371218 counting only the distinct ones).

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

The square root of 6681834 is about 2584.9243702670. The cubic root of 6681834 is about 188.3498277424.

Subtracting from 6681834 its reverse (4381866), we obtain a cube (2299968 = 132³).

The spelling of 6681834 in words is "six million, six hundred eighty-one thousand, eight hundred thirty-four".