6861834 has 48 divisors (see below), whose sum is σ = 17629248. Its totient is φ = 1959552.

The previous prime is 6861823. The next prime is 6861847. The reversal of 6861834 is 4381686.

It is a happy number.

6861834 is a `hidden beast` number, since 6 + 8 + 618 + 34 = 666.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2394 + ... + 4410.

It is an arithmetic number, because the mean of its divisors is an integer number (367276).

Almost surely, 2^6861834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6861834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8814624).

6861834 is an abundant number, since it is smaller than the sum of its proper divisors (10767414).

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

6861834 is a wasteful number, since it uses less digits than its factorization.

6861834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2029 counting only the distinct ones).

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

The square root of 6861834 is about 2619.5102595714. The cubic root of 6861834 is about 190.0261644485.

The spelling of 6861834 in words is "six million, eight hundred sixty-one thousand, eight hundred thirty-four".